{"id":4677,"date":"2016-05-09T13:04:21","date_gmt":"2016-05-09T13:04:21","guid":{"rendered":"http:\/\/bestkora.com\/IosDeveloper\/?p=4677"},"modified":"2017-02-28T19:56:03","modified_gmt":"2017-02-28T19:56:03","slug":"zadanie-1cs193p-spring-2016-kalkulyator-reshenie-obyazatelnye-punkty","status":"publish","type":"post","link":"https:\/\/bestkora.com\/IosDeveloper\/zadanie-1cs193p-spring-2016-kalkulyator-reshenie-obyazatelnye-punkty\/","title":{"rendered":"\u0417\u0430\u0434\u0430\u043d\u0438\u0435 1 cs193p Spring 2016 \u041a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440. \u0420\u0435\u0448\u0435\u043d\u0438\u0435. \u041e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0438 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0443\u043d\u043a\u0442\u044b."},"content":{"rendered":"<h2>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435<\/h2>\n<p>\u0422\u0435\u043a\u0441\u0442 \u0414\u043e\u043c\u0430\u0448\u043d\u0435\u0433\u043e \u0437\u0430\u0434\u0430\u043d\u0438\u044f \u043d\u0430 \u0430\u043d\u0433\u043b\u0438\u0439\u0441\u043a\u043e\u043c \u044f\u0437\u044b\u043a\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043d\u0430\u00a0<span style=\"color: #373737;\">\u00a0<\/span><strong><a style=\"color: #1982d1;\" title=\"Developing iOS 7 Apps: Assignment 1\" href=\"https:\/\/itunes.apple.com\/us\/course\/developing-ios-9-apps-swift\/id1104579961\" target=\"_blank\">iTunes \u0432 \u043f\u0443\u043d\u043a\u0442\u0435 \u201cProgramming: Project 1: Calculator\u2033<\/a><\/strong><span style=\"color: #373737;\">.\u00a0<\/span>\u041d\u0430 \u0440\u0443\u0441\u0441\u043a\u043e\u043c \u044f\u0437\u044b\u043a\u0435 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u043a\u0430\u0447\u0430\u0442\u044c \u0437\u0434\u0435\u0441\u044c:<br \/>\n<strong><p><span class=\"gdm-drivefile-embed\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ssl.gstatic.com\/docs\/doclist\/images\/icon_12_pdf_list.png\" width=\"16\" height=\"16\" \/> <a href=\"https:\/\/drive.google.com\/file\/d\/0B0jZOSo2e4NmNlgzU2NwdWNadm8\/view?usp=drivesdk\" target=\"&quot;_blank&quot;\">\u0417\u0430\u0434\u0430\u043d\u0438\u0435 1 iOS 9.pdf<\/a><\/span><\/p><\/strong><\/p>\n<p>\u041d\u0430\u0447\u0438\u043d\u0430\u0435\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u0417\u0430\u0434\u0430\u043d\u0438\u0435 1 \u0441 \u043a\u043e\u0434\u0430, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0432 \u043a\u043e\u043d\u0446\u0435 \u041b\u0435\u043a\u0446\u0438\u0438 2. \u041f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440 \u043d\u0430\u0441\u0442\u043e\u044f\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442 \u043d\u0435 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u043e\u0434 \u0432 \u043f\u0435\u0440\u0432\u044b\u0445 2-\u0445 \u041b\u0435\u043a\u0446\u0438\u0439, \u0430 \u043d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0435\u0447\u0430\u0442\u0430\u0442\u044c, \u0442\u0430\u043a \u043a\u0430\u043a \u044d\u0442\u043e \u0434\u0430\u0441\u0442 \u0445\u043e\u0440\u043e\u0448\u0438\u0439 \u043e\u043f\u044b\u0442 \u043e\u0441\u0432\u043e\u0435\u043d\u0438\u044f \u0441\u0440\u0435\u0434\u044b \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438\u00a0<strong>Xcode<\/strong>. \u042f \u0432\u0441\u0435-\u0442\u0430\u043a\u0438 \u043f\u0440\u0438\u0432\u0435\u043b\u0430 \u043d\u0430\u00a0<strong><a href=\"https:\/\/github.com\/BestKora\/Calculator-cs193p-Spring-2016-\">Github<\/a><\/strong>\u00a0\u043a\u043e\u0434 \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u0440\u0430,\u00a0<strong>\u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0439 \u043e\u043a\u043e\u043d\u0447\u0430\u043d\u0438\u044e \u041b\u0435\u043a\u0446\u0438\u0438 2<\/strong>. \u042d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u0441\u043e\u0432\u0441\u0435\u043c \u043d\u0430\u0447\u0438\u043d\u0430\u044e\u0449\u0438\u043c \u043d\u0435 &#171;\u0437\u0430\u0441\u0442\u0440\u044f\u0442\u044c&#187; \u043d\u0430 \u0441\u0430\u043c\u043e\u043c \u043f\u0435\u0440\u0432\u043e\u043c \u044d\u0442\u0430\u043f\u0435.<\/p>\n<p>\u041d\u0438\u0436\u0435 \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0432\u0441\u0435\u0445 \u043f\u0443\u043d\u043a\u0442\u043e\u0432 \u0437\u0430\u0434\u0430\u043d\u0438\u044f \u0434\u043b\u044f \u0442\u0435\u0445, \u043a\u0442\u043e \u0445\u043e\u0447\u0435\u0442 \u0441\u0440\u0430\u0432\u043d\u0438\u0442\u044c \u0441\u0432\u043e\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u0441 \u043c\u043e\u0438\u043c, \u0438 \u043e\u043a\u043e\u043d\u0447\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u0434 \u00a0\u0417\u0430\u0434\u0430\u043d\u0438\u044f 1 \u043d\u0430\u00a0<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\">Github<\/a><\/strong>.<\/p>\n<p>\u0412 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a \u0417\u0430\u0434\u0430\u043d\u0438\u044e 1 \u0440\u0435\u0448\u0430\u044e\u0442\u0441\u044f \u0432\u043e\u043f\u0440\u043e\u0441\u044b \u0440\u0430\u0431\u043e\u0442\u043e\u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u043d\u0430 \u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0435 \u0432 \u0440\u0430\u0437\u043d\u044b\u0445 \u0420\u0435\u0433\u0438\u043e\u043d\u0430\u0445 \u0438 \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u044f \u0430\u0434\u0430\u043f\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0430, \u043a\u043e\u0433\u0434\u0430 <strong>UI<\/strong> \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0438\u0430\u043b\u044c\u043d\u043e \u043f\u043e-\u0440\u0430\u0437\u043d\u043e\u043c\u0443 \u0432 \u043f\u043e\u0440\u0442\u0440\u0435\u0442\u043d\u043e\u043c \u0438 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0430\u0445.<\/p>\n<p>\u0414\u043b\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0443\u043d\u043a\u0442\u043e\u0432 \u0417\u0430\u0434\u0430\u043d\u0438\u044f \u0435\u0441\u0442\u044c \u0440\u0435\u043b\u0438\u0437\u044b \u043d\u0430 Github \u0434\u043b\u044f<strong>\u00a0Xcode 7<\/strong>\u00a0\u0438<strong>\u00a0Swift 2.2<\/strong>.:<br \/>\n<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/Calculator1_3\">\u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0443\u043d\u043a\u0442\u044b 1-3, \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 4,<\/a><\/strong><br \/>\n<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/Calculator4_8\">\u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0443\u043d\u043a\u0442\u044b 4-8, \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 4,<\/a><\/strong><br \/>\n<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorExtra1_2\">\u00a0\u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u00a01-2,<\/a><\/strong><br \/>\n<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorExtra_3\">\u00a0\u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u00a03<\/a><\/strong><br \/>\n<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorRegionPoint\">\u0441 \u0440\u0435\u0433\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0439 \u0442\u043e\u0447\u043a\u043e\u0439\u00a0<\/a><\/strong><br \/>\n<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorAdaptiveInterface\">\u0430\u0434\u0430\u043f\u0442\u0438\u0432\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441<\/a><\/strong><br \/>\n<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorC\">\u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 Action \u0434\u043b\u044f \u043a\u043d\u043e\u043f\u043a\u0438 \u0421<\/a><\/strong><br \/>\n<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorProgram\">\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 &#8212; \u041b\u0435\u043a\u0446\u0438\u044f 3<\/a><\/strong><br \/>\n<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/formatterClosure\">\u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u044b\u0439 formatter c \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u0433\u043d\u043e\u0432\u0435\u043d\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u043e\u0433\u043e \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f<\/a>\u00a0<\/strong><\/p>\n<p>\u0415\u0441\u043b\u0438 \u0432\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0438\u00a0<strong>Xcode 8<\/strong>, \u0442\u043e \u0434\u043b\u044f\u00a0<strong>Swift 2.3<\/strong>\u00a0\u043a\u043e\u0434\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f\u00a0\u043d\u0430\u00a0<a href=\"https:\/\/github.com\/BestKora\/Swift-2.3-Solution-Spring-2016\"><strong>Github<\/strong><\/a>, \u0430 \u0434\u043b\u044f\u00a0<strong>Swift 3<\/strong>\u00a0&#8212;\u00a0\u0442\u0430\u043a\u0436\u0435 \u043d\u0430<a href=\"https:\/\/github.com\/BestKora\/Swift-3-Solution-Spring-2016\">\u00a0<strong>Github<\/strong><\/a>.<\/p>\n<h2>\u041f\u0443\u043d\u043a\u0442 2 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p>\u0412\u0430\u0448 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 (calculator) \u0443\u0436\u0435 \u0443\u043c\u0435\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u0447\u0438\u0441\u043b\u0430\u043c\u0438 \u0441 \u043f\u043b\u0430\u0432\u0430\u044e\u0449\u0435\u0439 \u0442\u043e\u0447\u043a\u043e\u0439 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0435\u0441\u043b\u0438 \u0432\u044b \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e \u0431\u0443\u0434\u0435\u0442\u0435 \u043d\u0430\u0436\u0438\u043c\u0430\u0442\u044c \u043d\u0430 \u043a\u043b\u0430\u0432\u0438\u0448\u0438 3 \u00f7 4 =, \u00a0\u0442\u043e \u043e\u043d \u043f\u043e\u043a\u0430\u0436\u0435\u0442 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442 \u00a00.75), \u0442\u0435\u043c \u043d\u0435 \u043c\u0435\u043d\u0435\u0435, \u043f\u043e\u043a\u0430 \u043d\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0432\u0432\u0435\u0441\u0442\u0438 \u0447\u0438\u0441\u043b\u043e \u0441 \u043f\u043b\u0430\u0432\u0430\u044e\u0449\u0435\u0439 \u0442\u043e\u0447\u043a\u043e\u0439. \u042d\u0442\u043e \u043d\u0430\u0434\u043e \u0438\u0441\u043f\u0440\u0430\u0432\u0438\u0442\u044c. \u0420\u0430\u0437\u0440\u0435\u0448\u0438\u0442\u0435 \u0432\u0432\u043e\u0434\u0438\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430 \u0441 \u043f\u043b\u0430\u0432\u0430\u044e\u0449\u0435\u0439 \u0442\u043e\u0447\u043a\u043e\u0439 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u00a0\u201c192.168.0.1\u201d \u00a0&#8212; \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u0441 \u043f\u043b\u0430\u0432\u0430\u044e\u0449\u0435\u0439 \u0442\u043e\u0447\u043a\u043e\u0439). \u0412\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u043d\u043e\u0432\u0443\u044e \u043a\u043d\u043e\u043f\u043a\u0443 \u0441 \u0442\u043e\u0447\u043a\u043e\u0439 \u201c.\u201d. \u0412 \u044d\u0442\u043e\u043c \u0437\u0430\u0434\u0430\u043d\u0438\u0438 \u043d\u0435 \u0431\u0435\u0441\u043f\u043e\u043a\u043e\u0439\u0442\u0435\u0441\u044c \u043e \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u0438 \u0437\u043d\u0430\u0447\u0430\u0449\u0438\u0445 \u0446\u0438\u0444\u0440\u0430\u0445 (\u0432\u043a\u043b\u044e\u0447\u0430\u044f \u043d\u0438\u0436\u0435\u043f\u0440\u0438\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0435 \u043f\u0443\u043d\u043a\u0442\u044b \u0437\u0430\u0434\u0430\u043d\u0438\u044f).<\/p><\/blockquote>\n<p>\u041f\u0440\u0435\u0436\u0434\u0435 \u0432\u0441\u0435\u0433\u043e \u043d\u0430\u0434\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0437\u0430\u043c\u0435\u0447\u0430\u043d\u0438\u0435 \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u00a0<strong>\u0442\u043e\u0447\u043a\u0438 &#171;.&#187;<\/strong>\u00a0\u043a\u0430\u043a \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u043e\u0433\u043e \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f.<\/p>\n<p><!--more--><\/p>\n<p><strong>\u0417\u0430\u043c\u0435\u0447\u0430\u043d\u0438\u0435.<\/strong>\u00a0\u0415\u0441\u043b\u0438 \u0432\u044b \u0431\u0443\u0434\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0438\u043c\u0432\u043e\u043b\u00a0\u00a0<strong>\u0442\u043e\u0447\u043a\u0438\u00a0&#171;.&#187;<\/strong>\u00a0\u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u043e\u0433\u043e \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0432\u00a0\u0417\u0430\u0434\u0430\u043d\u0438\u0438 1, \u0442\u043e \u043e\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043d\u0430 \u0441\u0438\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0435 \u0438 \u043c\u043e\u0436\u0435\u0442 \u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043d\u0430 \u0432\u0430\u0448\u0435\u043c\u00a0<strong>\u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c<\/strong>\u00a0<strong>\u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0435<\/strong>, \u0435\u0441\u043b\u0438\u00a0<strong>\u0420\u0435\u0433\u0438\u043e\u043d<\/strong>\u00a0\u043d\u0430 \u0432\u0430\u0448\u0435\u043c \u043f\u0440\u0438\u0431\u043e\u0440\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d \u0442\u0430\u043a, \u0447\u0442\u043e<strong>\u00a0\u0442\u0430\u043c \u043d\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f &#171;.&#187;<\/strong>\u00a0\u0434\u043b\u044f \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b. \u0412 \u044d\u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0437\u0430\u043a\u043e\u043d\u0447\u0438\u0442\u0441\u044f \u0430\u0432\u0430\u0440\u0438\u0439\u043d\u043e. \u041c\u044b \u0431\u0443\u0434\u0435\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0434\u043e\u043b\u0436\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043d\u0430 \u0441\u0438\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0435. \u0412 \u043a\u043e\u043d\u0446\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0432\u0441\u0435\u0445 \u043f\u0443\u043d\u043a\u0442\u043e\u0432 (\u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0438 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445) \u0417\u0430\u0434\u0430\u043d\u0438\u044f 1 \u0432 \u043f\u0440\u0438\u043c\u0435\u0447\u0430\u043d\u0438\u0438 \u044f \u0440\u0430\u0441\u0441\u043a\u0430\u0436\u0443, \u0447\u0442\u043e \u043d\u0443\u0436\u043d\u043e \u0434\u0435\u043b\u0430\u0442\u044c, \u0447\u0442\u043e\u0431\u044b \u043d\u0435 \u0437\u0430\u0432\u0438\u0441\u0435\u0442\u044c \u043e\u0442\u00a0<strong>\u0420\u0435\u0433\u0438\u043e\u043d\u0430<\/strong>.<\/p>\n<p>\u041d\u043e \u0432\u0435\u0440\u043d\u0435\u043c\u0441\u044f \u043a \u043d\u0430\u0448\u0435\u043c\u0443 \u043f\u0443\u043d\u043a\u0442\u0443 \u0417\u0430\u0434\u0430\u043d\u0438\u044f \u0438 \u043f\u043e\u043f\u044b\u0442\u0430\u0435\u043c\u0441\u044f \u0437\u0430\u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u044b\u0439 \u0432\u0432\u043e\u0434 \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u043e\u0433\u043e \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u0430\u043b\u044c\u0448\u0435 \u043f\u043e \u0442\u0435\u043a\u0441\u0442\u0443 \u043c\u044b \u0431\u0443\u0434\u0435\u043c \u0443\u0441\u043b\u043e\u0432\u043d\u043e \u043d\u0430\u0437\u044b\u0432\u0430\u0442\u044c\u00a0<strong>&#171;\u0442\u043e\u0447\u043a\u043e\u0439&#187;<\/strong>, \u0445\u043e\u0442\u044f, \u043a\u0430\u043a \u043c\u044b \u0443\u0436\u0435 \u0437\u043d\u0430\u0435\u043c, \u044d\u0442\u043e &#8212; \u043d\u0435 \u0432\u0441\u0435\u0433\u0434\u0430 \u0442\u043e\u0447\u043a\u0430.<\/p>\n<p>\u041f\u0440\u0435\u0436\u0434\u0435 \u0432\u0441\u0435\u0433\u043e \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c, \u0447\u0442\u043e \u043a\u043d\u043e\u043f\u043a\u0430 \u0441 \u0442\u043e\u0447\u043a\u043e\u0439 \u043d\u0430 \u0432\u0430\u0448\u0435\u043c <strong>UI<\/strong> \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0430 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u0446\u0438\u0444\u0440\u044b, \u0430 \u043d\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438. \u042d\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442\u044c, \u0435\u0441\u043b\u0438 \u0432\u044b\u0432\u0435\u0441\u0442\u0438 \u043d\u0430 \u044d\u043a\u0440\u0430\u043d \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u0432\u0430\u0448 <strong>UI<\/strong> (storyboard) \u0438 \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">ViewController<\/span><\/strong>, \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0432\u0430\u0448 <strong>UI<\/strong>.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-4.54.01-PM.png\" rel=\"attachment wp-att-4682\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4682 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-4.54.01-PM.png\" alt=\"Screen Shot 2016-05-07 at 4.54.01 PM\" width=\"2538\" height=\"1390\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-4.54.01-PM.png 2538w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-4.54.01-PM-300x164.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-4.54.01-PM-768x421.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-4.54.01-PM-1024x561.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-4.54.01-PM-500x274.png 500w\" sizes=\"auto, (max-width: 2538px) 100vw, 2538px\" \/><\/a><\/p>\n<p>\u0415\u0441\u043b\u0438 \u043c\u044b\u0448\u043a\u0443 \u043d\u0430\u0432\u0435\u0441\u0442\u0438 \u043d\u0430 \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0439 \u043a\u0440\u0443\u0436\u043e\u0447\u0435\u043a \u0441\u043b\u0435\u0432\u0430 \u043e\u0442 \u043c\u0435\u0442\u043e\u0434\u0430 <strong><span style=\"color: #0000ff;\">touchDigit<\/span><\/strong>, \u0442\u043e \u0431\u0443\u0434\u0443\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u044b \u0432\u0441\u0435 \u043a\u043d\u043e\u043f\u043a\u0438, &#171;\u043f\u043e\u0434\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435&#187; \u043a \u044d\u0442\u043e\u043c\u0443 \u043c\u0435\u0442\u043e\u0434\u0443, \u0442\u043e \u0435\u0441\u0442\u044c \u0446\u0438\u0444\u0440\u043e\u0432\u0430\u044f \u043a\u043b\u0430\u0432\u0438\u0430\u0442\u0443\u0440\u0430. \u041c\u044b \u0432\u0438\u0434\u0438\u043c, \u0447\u0442\u043e \u043a\u043d\u043e\u043f\u043a\u0430 \u0441 \u0442\u043e\u0447\u043a\u043e\u0439 &#171;.&#187; \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0441\u0440\u0435\u0434\u0438 \u043d\u0438\u0445.<br \/>\n\u0415\u0441\u043b\u0438 \u043c\u044b\u0448\u043a\u0443 \u043d\u0430\u0432\u0435\u0441\u0442\u0438 \u043d\u0430 \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0439 \u043a\u0440\u0443\u0436\u043e\u0447\u0435\u043a \u0441\u043b\u0435\u0432\u0430 \u043e\u0442 \u043c\u0435\u0442\u043e\u0434\u0430 <span style=\"color: #0000ff;\"><span style=\"color: #0000ff;\"><b>performOperation<\/b><\/span><\/span>, \u0442\u043e \u0431\u0443\u0434\u0443\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u044b \u0432\u0441\u0435 \u043a\u043d\u043e\u043f\u043a\u0438, &#171;\u043f\u043e\u0434\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435&#187; \u043a \u044d\u0442\u043e\u043c\u0443 \u043c\u0435\u0442\u043e\u0434\u0443, \u0442\u043e \u0432\u0441\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0438 \u043c\u044b \u043d\u0435 \u0434\u043e\u043b\u0436\u043d\u044b \u0443\u0432\u0438\u0434\u0435\u0442\u044c \u0442\u0430\u043c \u043a\u043d\u043e\u043f\u043a\u0443 \u0441 \u0442\u043e\u0447\u043a\u043e\u0439 &#171;.&#187; .<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.00.36-PM.png\" rel=\"attachment wp-att-4683\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4683 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.00.36-PM.png\" alt=\"Screen Shot 2016-05-07 at 5.00.36 PM\" width=\"2224\" height=\"1382\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.00.36-PM.png 2224w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.00.36-PM-300x186.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.00.36-PM-768x477.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.00.36-PM-1024x636.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.00.36-PM-483x300.png 483w\" sizes=\"auto, (max-width: 2224px) 100vw, 2224px\" \/><\/a><\/p>\n<p>\u0415\u0441\u043b\u0438 \u0443 \u0432\u0430\u0441 \u0442\u0430\u043a, \u043a\u0430\u043a \u043d\u0430 \u0440\u0438\u0441\u0443\u043d\u043a\u0430\u0445 \u0432\u044b\u0448\u0435, \u0442\u043e \u0434\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e\u0433\u043e \u0432\u0432\u043e\u0434\u0430 \u0442\u043e\u0447\u043a\u0438 &#171;.&#187; \u043f\u0440\u043e\u0449\u0435 \u0432\u0441\u0435\u0433\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u044e\u00a0<strong><span style=\"color: #0000ff;\">rangeOfString<\/span><\/strong>\u00a0\u043f\u0440\u0438 \u0432\u0432\u043e\u0434\u0435 \u043b\u044e\u0431\u043e\u0439 \u0446\u0438\u0444\u0440\u044b (\u043a \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u043e\u0442\u043d\u043e\u0441\u0438\u0442\u0441\u044f \u0438 \u0442\u043e\u0447\u043a\u0430). \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043d\u0430\u043c \u043f\u043e\u043d\u0430\u0434\u043e\u0431\u0438\u0442\u0441\u044f \u0432\u0441\u0435\u0433\u043e \u043e\u0434\u043d\u0430 \u0441\u0442\u0440\u043e\u043a\u0430<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.04.27-PM.png\" rel=\"attachment wp-att-4684\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4684 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.04.27-PM.png\" alt=\"Screen Shot 2016-05-07 at 5.04.27 PM\" width=\"1278\" height=\"436\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.04.27-PM.png 1278w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.04.27-PM-300x102.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.04.27-PM-768x262.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.04.27-PM-1024x349.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-5.04.27-PM-500x171.png 500w\" sizes=\"auto, (max-width: 1278px) 100vw, 1278px\" \/><\/a><\/p>\n<p>\u0421\u043b\u0443\u0447\u0430\u0439\u00a0\u0432\u0432\u043e\u0434\u0430 \u0432 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u0447\u0438\u0441\u043b\u0430 \u201c.5\u201d \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e \u0431\u0435\u0437 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043a\u043e\u0434\u0430.<\/p>\n<h2>\u041f\u0443\u043d\u043a\u0442 3 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p>\u0414\u043e\u0431\u0430\u0432\u044c\u0442\u0435 \u043f\u043e\u0431\u043e\u043b\u044c\u0448\u0435 \u043a\u043d\u043e\u043f\u043e\u043a \u00a0\u0441 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043c\u0438 \u043a \u0432\u0430\u0448\u0435\u043c\u0443 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0443, \u0442\u0430\u043a \u0447\u0442\u043e\u0431\u044b \u043e\u0431\u0449\u0435\u0435 \u0438\u0445 \u0447\u0438\u0441\u043b\u043e \u0440\u0430\u0432\u043d\u044f\u043b\u043e\u0441\u044c, \u043f\u043e \u043a\u0440\u0430\u0439\u043d\u0435\u0439 \u043c\u0435\u0440\u0435, 12 (\u0443 \u0432\u0430\u0441 \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0438 \u0431\u043e\u043b\u044c\u0448\u0435, \u0435\u0441\u043b\u0438 \u0432\u044b \u044d\u0442\u043e\u0433\u043e \u0445\u043e\u0442\u0438\u0442\u0435). \u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0432\u044b\u0431\u0440\u0430\u0442\u044c \u043b\u044e\u0431\u044b\u0435 \u043f\u043e\u0434\u0445\u043e\u0434\u044f\u0449\u0438\u0435 \u0432\u0430\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438. \u041a\u043d\u043e\u043f\u043a\u0438 \u0434\u043e\u043b\u0436\u043d\u044b \u0431\u044b\u0442\u044c \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e \u0438 \u043a\u0440\u0430\u0441\u0438\u0432\u043e \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u043d\u044b \u043a\u0430\u043a \u0432 \u043f\u043e\u0440\u0442\u0440\u0435\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435, \u0442\u0430\u043a \u0438 \u0432 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435 \u043d\u0430 \u043b\u044e\u0431\u044b\u0445 \u043c\u043e\u0434\u0435\u043b\u044f\u0445 iPhones.<\/p><\/blockquote>\n<h2>\u041f\u0443\u043d\u043a\u0442 4 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p>\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u0435 \u043e\u0434\u043d\u0443 \u0438\u0437 \u0432\u0430\u0448\u0438\u0445 \u043a\u043d\u043e\u043f\u043e\u043a \u0434\u043b\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0431\u044b \u201c\u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u043b\u0430 \u0431\u044b \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u043c\u0435\u0436\u0434\u0443 0 \u0438 1\u201d. \u041a\u043d\u043e\u043f\u043a\u0430 \u0434\u043b\u044f \u044d\u0442\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u043e\u0439 (\u0442\u0430\u043a \u043a\u0430\u043a \u043c\u0435\u043d\u044f\u0435\u0442 \u0441\u0432\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043f\u0440\u0438 \u043a\u0430\u0436\u0434\u043e\u043c \u043d\u0430\u0436\u0430\u0442\u0438\u0438). \u041e\u043d\u0430 \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0438 \u0443\u043d\u0430\u0440\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0435\u0439 (\u0442\u0430\u043a \u043a\u0430\u043a \u043d\u0438 \u0441 \u0447\u0435\u043c \u043d\u0435 \u043e\u043f\u0435\u0440\u0438\u0440\u0443\u0435\u0442).<\/p><\/blockquote>\n<p>\u0414\u043e\u0431\u0430\u0432\u043b\u044f\u0442\u044c \u043a\u043d\u043e\u043f\u043a\u0438 \u0432 <strong>Stack<\/strong> <strong>View<\/strong> \u043e\u0434\u043d\u043e \u0443\u0434\u043e\u0432\u043e\u043b\u044c\u0441\u0442\u0432\u0438\u0435 &#8212; \u043a\u043d\u043e\u043f\u043a\u0430 \u0432 \u0441\u0442\u044d\u043a\u0435 \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u0442\u0443 \u0444\u043e\u0440\u043c\u0443, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438 \u0441\u0442\u044d\u043a\u0430. \u041c\u043e\u0436\u043d\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0446\u0435\u043b\u044b\u043c\u0438 \u0441\u0442\u044d\u043a\u0430\u043c\u0438-\u0441\u0442\u0440\u043e\u043a\u0430\u043c\u0438. \u0412 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u043e\u0447\u0435\u043d\u044c \u043b\u0435\u0433\u043a\u043e <strong>UI<\/strong> \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u0442\u0441\u044f \u0434\u043e \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0433\u043e \u0432\u0438\u0434\u0430:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-7.53.11-PM.png\" rel=\"attachment wp-att-4685\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4685 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-7.53.11-PM.png\" alt=\"Screen Shot 2016-05-07 at 7.53.11 PM\" width=\"1774\" height=\"1394\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-7.53.11-PM.png 1774w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-7.53.11-PM-300x236.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-7.53.11-PM-768x603.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-7.53.11-PM-1024x805.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-7.53.11-PM-382x300.png 382w\" sizes=\"auto, (max-width: 1774px) 100vw, 1774px\" \/><\/a><\/p>\n<p><span style=\"font-weight: 400;\">\u041a\u043d\u043e\u043f\u043a\u0438 &#171;<strong>\u2192M<\/strong>&#187; \u0438 &#171;<strong>M<\/strong>&#187; \u043d\u0435 \u044f\u0432\u043b\u044f\u044e\u0442\u0441\u044f \u043a\u043d\u043e\u043f\u043a\u0430\u043c\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0438 \u043d\u0443\u0436\u043d\u044b \u0434\u043b\u044f \u0431\u0443\u0434\u0443\u0449\u0435\u0433\u043e \u0414\u043e\u043c\u0430\u0448\u043d\u0435\u0433\u043e \u0417\u0430\u0434\u0430\u043d\u0438\u044f 2, \u0430 \u0432 \u044d\u0442\u043e\u043c \u0414\u043e\u043c\u0430\u0448\u043d\u0435\u043c \u0417\u0430\u0434\u0430\u043d\u0438\u0438 \u043d\u0435 \u0443\u0447\u0430\u0441\u0442\u0432\u0443\u044e\u0442. \u041a\u043d\u043e\u043f\u043a\u0430 &#171;<strong>\u2190<\/strong>&#187; \u0442\u0430\u043a\u0436\u0435 \u043d\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u043d\u043e\u043f\u043a\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u043e\u043d\u0430 \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0434\u043b\u044f \u201cbackspace\u201d \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u043e\u0448\u0438\u0431\u043e\u0447\u043d\u043e\u0433\u043e \u043d\u0430\u0431\u043e\u0440\u0430 \u0446\u0438\u0444\u0440\u044b \u043f\u0440\u0438 \u0432\u0432\u043e\u0434\u0435 \u0447\u0438\u0441\u043b\u0430, \u043e\u043d\u0430 \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u0432 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u043c \u043f\u0443\u043d\u043a\u0442\u0435 1 \u044d\u0442\u043e\u0433\u043e \u0414\u043e\u043c\u0430\u0448\u043d\u0435\u0433\u043e \u0417\u0430\u0434\u0430\u043d\u0438\u044f \u0438 \u043c\u044b \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u0443\u0435\u043c \u0435\u0435 \u043f\u043e\u0437\u0436\u0435. \u041a\u043d\u043e\u043f\u043a\u0430 &#171;<strong>\u0421<\/strong>&#187; \u043d\u0443\u0436\u043d\u0430 \u0434\u043b\u044f \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0443\u043d\u043a\u0442\u0430 8 \u044d\u0442\u043e\u0433\u043e \u0414\u043e\u043c\u0430\u0448\u043d\u0435\u0433\u043e \u0417\u0430\u0434\u0430\u043d\u0438\u044f \u0438 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u0441 \u043e\u0447\u0438\u0441\u0442\u043a\u043e\u0439 \u0432\u0441\u0435\u0433\u043e \u0438 \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0435\u0435 \u043a\u0430\u043a \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e.\u041a\u043d\u043e\u043f\u043a\u0430 &#171;<strong>rand<\/strong>&#187; \u0442\u0430\u043a\u0436\u0435 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043a\u043d\u043e\u043f\u043a\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u0443\u0435\u0442 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u0432 \u0434\u0438\u0430\u043f\u0430\u0437\u043e\u043d\u0435 \u043e\u0442 0 \u0434\u043e 1.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.18.24-PM.png\" rel=\"attachment wp-att-4692\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4692 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.18.24-PM.png\" alt=\"Screen Shot 2016-05-07 at 9.18.24 PM\" width=\"2270\" height=\"1338\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.18.24-PM.png 2270w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.18.24-PM-300x177.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.18.24-PM-768x453.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.18.24-PM-1024x604.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.18.24-PM-500x295.png 500w\" sizes=\"auto, (max-width: 2270px) 100vw, 2270px\" \/><\/a><\/p>\n<p>\u0414\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0432 \u043a\u043e\u0434. \u0414\u043b\u044f <strong>\u0421<\/strong>\u00a0(\u0432\u0441\u0435 \u043e\u0447\u0438\u0441\u0442\u0438\u0442\u044c) \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u0432 <strong><span style=\"color: #0000ff;\">enum<\/span><\/strong> \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0439 \u0442\u0438\u043f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 <strong><span style=\"color: #0000ff;\">C<\/span><\/strong>, \u0434\u043b\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u0438 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u0432\u00a0\u00a0<strong><span style=\"color: #0000ff;\">enum<\/span><\/strong>\u00a0\u0442\u0438\u043f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438<\/p>\n<p><strong><span style=\"color: #0000ff;\">NullaryOperation(() -&gt; Double)<\/span><\/strong><\/p>\n<p>c \u0430\u0441\u0441\u043e\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0432\u0438\u0434\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u0443 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0435\u0442 \u043d\u0438\u043a\u0430\u043a\u0438\u0445 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432 (\u043d\u0443\u043b\u044c \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432), \u0430 \u043d\u0430 \u0432\u044b\u0445\u043e\u0434\u0435 \u0443 \u043d\u0435\u0435 <strong><span style=\"color: #0000ff;\">Double<\/span><\/strong>.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.33.57-PM.png\" rel=\"attachment wp-att-4686\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4686 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.33.57-PM.png\" alt=\"Screen Shot 2016-05-07 at 8.33.57 PM\" width=\"1114\" height=\"232\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.33.57-PM.png 1114w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.33.57-PM-300x62.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.33.57-PM-768x160.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.33.57-PM-1024x213.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.33.57-PM-500x104.png 500w\" sizes=\"auto, (max-width: 1114px) 100vw, 1114px\" \/><\/a><\/p>\n<p>\u0412 \u043c\u0435\u0442\u043e\u0434\u0435 <strong><span style=\"color: #0000ff;\">performOperation<\/span><\/strong> \u0431\u0443\u0434\u0435\u043c \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 <strong><span style=\"color: #0000ff;\">NullaryOperation<\/span><\/strong> \u043f\u0440\u043e\u0441\u0442\u043e \u0432\u044b\u0437\u044b\u0432\u0430\u0442\u044c \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0431\u0435\u0437 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432, \u0430 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 <strong><span style=\"color: #0000ff;\">\u0421<\/span><\/strong> \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u044e <strong><span style=\"color: #0000ff;\">clear()<\/span><\/strong>.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.11.37-PM.png\" rel=\"attachment wp-att-4690\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4690 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.11.37-PM.png\" alt=\"Screen Shot 2016-05-07 at 9.11.37 PM\" width=\"1074\" height=\"534\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.11.37-PM.png 1074w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.11.37-PM-300x149.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.11.37-PM-768x382.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.11.37-PM-1024x509.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.11.37-PM-500x249.png 500w\" sizes=\"auto, (max-width: 1074px) 100vw, 1074px\" \/><\/a><\/p>\n<p>. \u00a0. \u00a0. \u00a0. \u00a0. \u00a0. \u00a0. \u00a0. \u00a0. \u00a0. \u00a0. . . . . . . . . .<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.15.46-PM.png\" rel=\"attachment wp-att-4691\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4691 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.15.46-PM.png\" alt=\"Screen Shot 2016-05-07 at 9.15.46 PM\" width=\"1044\" height=\"130\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.15.46-PM.png 1044w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.15.46-PM-300x37.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.15.46-PM-768x96.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.15.46-PM-1024x128.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.15.46-PM-500x62.png 500w\" sizes=\"auto, (max-width: 1044px) 100vw, 1044px\" \/><\/a><\/p>\n<p>\u041f\u043e\u043f\u043e\u043b\u043d\u0438\u043c \u0441\u043b\u043e\u0432\u0430\u0440\u044c \u0441 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043c\u0438:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.53.43-PM.png\" rel=\"attachment wp-att-4689\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4689 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.53.43-PM.png\" alt=\"Screen Shot 2016-05-07 at 8.53.43 PM\" width=\"988\" height=\"638\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.53.43-PM.png 988w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.53.43-PM-300x194.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.53.43-PM-768x496.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-8.53.43-PM-465x300.png 465w\" sizes=\"auto, (max-width: 988px) 100vw, 988px\" \/><\/a><\/p>\n<p>\u041d\u0430\u0434\u043e \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c, \u0447\u0442\u043e \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">CalculatorBrain<\/span><\/strong> \u0441\u043a\u043e\u043d\u0441\u0442\u0440\u0443\u0438\u0440\u043e\u0432\u0430\u043d \u0442\u0430\u043a, \u0447\u0442\u043e \u0435\u0433\u043e \u043e\u0447\u0435\u043d\u044c \u043f\u0440\u043e\u0441\u0442\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e \u0440\u0430\u0441\u0448\u0438\u0440\u0438\u0442\u044c \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043b\u044e\u0431\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439. \u041f\u043e\u0441\u043c\u043e\u0442\u0440\u0438\u043c, \u043a\u0430\u043a \u044d\u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0432\u044b\u0433\u043b\u044f\u0434\u0435\u0442\u044c \u0432 \u043f\u043e\u0440\u0442\u0440\u0435\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.23.43-PM.png\" rel=\"attachment wp-att-4693\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4693 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.23.43-PM.png\" alt=\"Screen Shot 2016-05-07 at 9.23.43 PM\" width=\"2126\" height=\"1374\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.23.43-PM.png 2126w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.23.43-PM-300x194.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.23.43-PM-768x496.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.23.43-PM-1024x662.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.23.43-PM-464x300.png 464w\" sizes=\"auto, (max-width: 2126px) 100vw, 2126px\" \/><\/a><\/p>\n<p>\u041e\u0442\u043b\u0438\u0447\u043d\u043e. \u0422\u0435\u043f\u0435\u0440\u044c \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u044b\u0439 \u0440\u0435\u0436\u0438\u043c.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.42.27-PM.png\" rel=\"attachment wp-att-4694\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4694 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.42.27-PM.png\" alt=\"Screen Shot 2016-05-07 at 9.42.27 PM\" width=\"1490\" height=\"1026\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.42.27-PM.png 1490w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.42.27-PM-300x207.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.42.27-PM-768x529.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.42.27-PM-1024x705.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.42.27-PM-436x300.png 436w\" sizes=\"auto, (max-width: 1490px) 100vw, 1490px\" \/><\/a><\/p>\n<p>\u041e! \u0412 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435 \u0443 \u043d\u0430\u0441 \u0438\u0441\u0447\u0435\u0437 \u043d\u0430\u0448 \u0434\u0438\u0441\u043f\u043b\u0435\u0439! \u041f\u043e \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u0435 \u0441\u0442\u0430\u043b\u043e \u043c\u0435\u043d\u044c\u0448\u0435 \u043c\u0435\u0441\u0442\u043e \u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 <strong>Autolayout<\/strong> \u043f\u0440\u0435\u0434\u043f\u043e\u0447\u043b\u0430 &#171;\u0441\u0436\u0430\u0442\u044c&#187; \u0434\u0438\u0441\u043f\u043b\u0435\u0439 \u0432 \u043f\u043e\u043b\u044c\u0437\u0443 \u043d\u0430\u0448\u0438\u0445 \u043a\u043d\u043e\u043f\u043e\u043a. \u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u043f\u043e\u0432\u044b\u0441\u0438\u043c \u0443 \u043c\u0435\u0442\u043a\u0438 <strong><span style=\"color: #0000ff;\">display<\/span><\/strong> \u0441\u043e\u043f\u0440\u043e\u0442\u0438\u0432\u043b\u0435\u043d\u0438\u0435 \u043a \u0441\u0436\u0430\u0442\u0438\u044e \u043f\u043e \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u0435 \u0438 \u0441\u0434\u0435\u043b\u0430\u0435\u043c <strong>Content Compession Resistance Priority<\/strong> \u043f\u043e \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u0435 \u0440\u0430\u0432\u043d\u044b\u043c <strong>753<\/strong>, \u0442\u043e \u0435\u0441\u0442\u044c \u0432\u044b\u0448\u0435, \u0447\u0435\u043c \u0443 \u0441\u0442\u044d\u043a\u0430 \u043a\u043d\u043e\u043f\u043e\u043a \u0440\u0430\u0432\u043d\u043e\u0433\u043e <strong>750<\/strong>.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.58.04-PM.png\" rel=\"attachment wp-att-4697\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4697 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.58.04-PM.png\" alt=\"Screen Shot 2016-05-07 at 9.58.04 PM\" width=\"2790\" height=\"1172\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.58.04-PM.png 2790w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.58.04-PM-300x126.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.58.04-PM-768x323.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.58.04-PM-1024x430.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-9.58.04-PM-500x210.png 500w\" sizes=\"auto, (max-width: 2790px) 100vw, 2790px\" \/><\/a><\/p>\n<p>\u041f\u0440\u043e\u0431\u0443\u0435\u043c \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u044b\u0439 \u0440\u0435\u0436\u0438\u043c.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.19.53-PM.png\" rel=\"attachment wp-att-4698\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4698 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.19.53-PM.png\" alt=\"Screen Shot 2016-05-07 at 10.19.53 PM\" width=\"1474\" height=\"848\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.19.53-PM.png 1474w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.19.53-PM-300x173.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.19.53-PM-768x442.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.19.53-PM-1024x589.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.19.53-PM-500x288.png 500w\" sizes=\"auto, (max-width: 1474px) 100vw, 1474px\" \/><\/a><\/p>\n<p>\u0412\u0441\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e. \u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u0441\u044f \u0432 \u043f\u043e\u0440\u0442\u0440\u0435\u0442\u043d\u044b\u0439 \u0440\u0435\u0436\u0438\u043c.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.20.08-PM.png\" rel=\"attachment wp-att-4699\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4699 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.20.08-PM.png\" alt=\"Screen Shot 2016-05-07 at 10.20.08 PM\" width=\"1352\" height=\"1288\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.20.08-PM.png 1352w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.20.08-PM-300x286.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.20.08-PM-768x732.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.20.08-PM-1024x976.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-07-at-10.20.08-PM-315x300.png 315w\" sizes=\"auto, (max-width: 1352px) 100vw, 1352px\" \/><\/a><\/p>\n<p>\u0412\u0441\u0435 \u0432 \u043f\u043e\u0440\u044f\u0434\u043a\u0435. \u0420\u0435\u0437\u0443\u043b\u044c\u0442\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u043a\u043e\u0434 \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/Calculator1_3\">Github<\/a>\u00a0<\/strong>\u0434\u043b\u044f<strong>\u00a0Xcode 7<\/strong>\u00a0\u0438<strong>\u00a0Swift 2.2<\/strong>.\u00a0\u0415\u0441\u043b\u0438 \u0432\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0438\u00a0<strong>Xcode 8<\/strong>, \u0442\u043e \u0434\u043b\u044f\u00a0<strong>Swift 2.3<\/strong>\u00a0\u043a\u043e\u0434\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f\u00a0\u043d\u0430\u00a0<a href=\"https:\/\/github.com\/BestKora\/Swift-2.3-Solution-Spring-2016\"><strong>Github<\/strong><\/a>, \u0430 \u0434\u043b\u044f\u00a0<strong>Swift 3<\/strong>\u00a0&#8212;\u00a0\u0442\u0430\u043a\u0436\u0435 \u043d\u0430<a href=\"https:\/\/github.com\/BestKora\/Swift-3-Solution-Spring-2016\">\u00a0<strong>Github<\/strong><\/a>.<\/p>\n<h2>\u041f\u0443\u043d\u043a\u0442 4 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p>\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0446\u0432\u0435\u0442\u0430 \u0434\u043b\u044f \u043f\u0440\u0438\u0434\u0430\u043d\u0438\u044f \u0432\u0430\u0448\u0435\u043c\u0443 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u043c\u0443 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443 ( UI) \u043f\u0440\u0438\u0432\u043b\u0435\u043a\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438. \u041f\u043e \u043a\u0440\u0430\u0439\u043d\u0435\u0439 \u043c\u0435\u0440\u0435, \u0446\u0432\u0435\u0442\u0430 \u0432\u0430\u0448\u0438\u0445 \u043a\u043d\u043e\u043f\u043e\u043a \u0441 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043c\u0438 \u0434\u043e\u043b\u0436\u043d\u044b \u043e\u0442\u043b\u0438\u0447\u0430\u0442\u044c\u0441\u044f \u043e\u0442 \u0446\u0432\u0435\u0442\u0430 \u043a\u043d\u043e\u043f\u043e\u043a \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043a\u043b\u0430\u0432\u0438\u0430\u0442\u0443\u0440\u044b, \u043d\u043e \u0432 \u043b\u044e\u0431\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043b\u044e\u0431\u044b\u0435 \u0446\u0432\u0435\u0442\u0430 \u0434\u043b\u044f \u043f\u0440\u0438\u0434\u0430\u043d\u0438\u044f \u0445\u043e\u0440\u043e\u0448\u0435\u0433\u043e \u0432\u0438\u0434\u0430 \u0432\u0430\u0448\u0435\u043c\u0443 \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0443.<\/p><\/blockquote>\n<p>\u041c\u043e\u0439 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0438\u043c\u0435\u0435\u0442 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0432\u0438\u0434 \u043d\u0430 <strong>storyboard<\/strong> \u0438 \u043d\u0430 <strong>iPhone 6+<\/strong> \u0432 \u043f\u043e\u0440\u0442\u0440\u0435\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.45.36-AM.png\" rel=\"attachment wp-att-4700\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4700 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.45.36-AM.png\" alt=\"Screen Shot 2016-05-08 at 10.45.36 AM\" width=\"1944\" height=\"1276\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.45.36-AM.png 1944w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.45.36-AM-300x197.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.45.36-AM-768x504.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.45.36-AM-1024x672.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.45.36-AM-457x300.png 457w\" sizes=\"auto, (max-width: 1944px) 100vw, 1944px\" \/><\/a><\/p>\n<p>\u041d\u0430 <strong>iPhone 6+<\/strong> \u0432 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.50.25-AM.png\" rel=\"attachment wp-att-4701\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4701 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.50.25-AM.png\" alt=\"Screen Shot 2016-05-08 at 10.50.25 AM\" width=\"2212\" height=\"1346\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.50.25-AM.png 2212w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.50.25-AM-300x183.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.50.25-AM-768x467.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.50.25-AM-1024x623.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.50.25-AM-493x300.png 493w\" sizes=\"auto, (max-width: 2212px) 100vw, 2212px\" \/><\/a><\/p>\n<p>\u0412\u0441\u0435 \u043d\u043e\u0440\u043c\u0430\u043b\u044c\u043d\u043e, \u043d\u043e \u0432 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435 \u0445\u043e\u0447\u0435\u0442\u0441\u044f \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0434\u0440\u0443\u0433\u043e\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043a\u043d\u043e\u043f\u043e\u043a: \u043d\u0435 5 \u0445 7, \u0430, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, 6 \u0445 6. \u0412\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0438\u043c\u0435\u0442\u044c \u0440\u0430\u0437\u043d\u044b\u0435 <strong> UI<\/strong> \u0434\u043b\u044f \u0440\u0430\u0437\u043d\u044b\u0445 \u043e\u0440\u0438\u0435\u043d\u0442\u0430\u0446\u0438\u0439 \u043f\u0440\u0438\u0431\u043e\u0440\u0430 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u043e\u043c Autolayout.<br \/>\n\u041d\u0430 <strong>iPhone 5s<\/strong> \u0432 \u043f\u043e\u0440\u0442\u0440\u0435\u0442\u043d\u043e\u043c \u0438 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0430\u0445.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM.png\" rel=\"attachment wp-att-4702\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4702 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM.png\" alt=\"Screen Shot 2016-05-08 at 10.57.02 AM\" width=\"1834\" height=\"1176\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM.png 1834w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM-300x192.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM-768x492.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM-1024x657.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM-468x300.png 468w\" sizes=\"auto, (max-width: 1834px) 100vw, 1834px\" \/><\/a><\/p>\n<p>\u0417\u0434\u0435\u0441\u044c \u0442\u0430\u043a\u0436\u0435 \u043d\u0430\u043f\u0440\u0430\u0448\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0434\u0440\u0443\u0433\u043e\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043a\u043d\u043e\u043f\u043e\u043a \u0432 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435: \u043d\u0435 5 \u0445 7, \u0430, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, 6 \u0445 6. \u0421 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c <strong>StackViews<\/strong> \u044d\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442\u0441\u044f \u043d\u0435 \u0432\u00a0\u00a0<strong>Interface Builder <\/strong>\u043a\u0430\u043a \u044d\u0442\u043e \u0431\u044b\u043b\u043e \u0440\u0430\u043d\u044c\u0448\u0435, \u0430 \u0441 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435\u043c\u00a0<strong>API StackViews<\/strong> (<strong><span style=\"color: #0000ff;\">addArrangedSubview<\/span><\/strong> \u0438 <strong><span style=\"color: #0000ff;\">removeArrangedSubview<\/span><\/strong>) \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c.<\/p>\n<h2>\u041f\u0443\u043d\u043a\u0442 5 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p>\u0414\u043e\u0431\u0430\u0432\u044c\u0442\u0435 <strong><span style=\"color: #0000ff;\">String<\/span><\/strong> \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u043a \u0432\u0430\u0448\u0435\u043c\u0443 <strong><span style=\"color: #0000ff;\">CalculatorBrain<\/span><\/strong> \u0441 \u0438\u043c\u0435\u043d\u0435\u043c <strong><span style=\"color: #0000ff;\">description<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0432\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0442\u043e\u0440\u043e\u0432 \u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0442 \u043a \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044e, \u00a0\u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u043e\u043c\u0443 <span style=\"color: #0000ff;\">result<\/span>. \u041d\u0438 \u0441\u0438\u043c\u0432\u043e\u043b \u201c<strong><span style=\"color: #0000ff;\">=<\/span><\/strong>\u201c, \u043d\u0438 \u0441\u0438\u043c\u0432\u043e\u043b \u00a0\u00a0\u201c<strong><span style=\"color: #0000ff;\">&#8230;<\/span><\/strong>\u201d \u043d\u0435 \u0434\u043e\u043b\u0436\u043d\u044b \u043f\u043e\u044f\u0432\u043b\u044f\u0442\u044c\u0441\u044f \u0432 \u044d\u0442\u043e\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0438.<\/p><\/blockquote>\n<h2>\u041f\u0443\u043d\u043a\u0442 6 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p>\u0414\u043e\u0431\u0430\u0432\u044c\u0442\u0435 <strong><span style=\"color: #0000ff;\">Bool<\/span><\/strong> \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e \u043a \u0432\u0430\u0448\u0435\u043c\u0443 <strong><span style=\"color: #0000ff;\">CalculatorBrain<\/span><\/strong> \u0441 \u0438\u043c\u0435\u043d\u0435\u043c <strong><span style=\"color: #0000ff;\">isPartialResult<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435, \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438 \u0431\u0438\u043d\u0430\u0440\u043d\u0430\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f \u043e\u0442\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u00a0(\u0435\u0441\u043b\u0438 \u0434\u0430, \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 <strong><span style=\"color: #0000ff;\">true<\/span><\/strong>, \u0435\u0441\u043b\u0438 \u043d\u0435\u0442, \u0442\u043e <strong><span style=\"color: #0000ff;\">false<\/span><\/strong>).<\/p><\/blockquote>\n<p>\u041f\u0435\u0440\u0432\u043e\u0435, \u0447\u0442\u043e \u043c\u044b \u0441\u0434\u0435\u043b\u0430\u0435\u043c, \u044d\u0442\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u043c \u0430\u0441\u0441\u043e\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0432\u043e \u0432\u0441\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 <strong><span style=\"color: #0000ff;\">enum<\/span> <span style=\"color: #0000ff;\">Operation\u00a0<\/span><\/strong>\u0432 \u043a\u043b\u0430\u0441\u0441\u0435\u00a0<strong><span style=\"color: #0000ff;\">CalculatorBrain<\/span><\/strong> \u041f\u043e\u0434\u043e\u0431\u043d\u043e \u0442\u043e\u043c\u0443 \u043a\u0430\u043a<span style=\"text-decoration: underline;\"> \u0434\u043b\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439<\/span> \u043d\u0430 \u043d\u0430\u0448\u0435\u043c \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0435 \u00a0\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0442, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u0443\u043d\u0430\u0440\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0442\u0438\u043f\u0430<span style=\"text-decoration: underline;\"><strong><span style=\"color: #0000ff; text-decoration: underline;\"> (Double) -&gt; Double<\/span><\/strong><\/span>, <span style=\"text-decoration: underline;\">\u0434\u043b\u044f \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f<\/span> \u044d\u0442\u0438\u0445 \u0443\u043d\u0430\u0440\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0432\u0432\u0435\u0434\u0435\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u044e<span style=\"text-decoration: underline;\"> <strong><span style=\"color: #0000ff; text-decoration: underline;\">(String) -&gt; String<\/span><\/strong><\/span>, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0431\u0435\u0440\u0435\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0430 \u0432 \u0432\u0438\u0434\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 \u0432\u0437\u044f\u0442\u044b\u043c \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u043c \u0442\u0430\u043a\u0436\u0435 \u0432 \u0432\u0438\u0434\u0435 \u0441\u0442\u0440\u043e\u043a\u0438. \u0422\u043e\u0447\u043d\u043e \u0442\u0430\u043a\u0436\u0435 \u0434\u043b\u044f \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c <span style=\"text-decoration: underline;\">\u0434\u043b\u044f \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f<\/span>\u00a0\u0444\u0443\u043d\u043a\u0446\u0438\u044e<span style=\"text-decoration: underline;\">\u00a0<strong><span style=\"color: #0000ff; text-decoration: underline;\">(String, String) -&gt; String<\/span><\/strong><\/span>, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0431\u0435\u0440\u0435\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0434\u0432\u0443\u0445 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u043e\u0432 \u0432 \u0432\u0438\u0434\u0435 \u0441\u0442\u0440\u043e\u043a\u0438 \u0438 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0432\u043c\u0435\u0441\u0442\u0435 \u0441 \u0432\u0437\u044f\u0442\u044b\u043c\u0438 \u0430\u0440\u0433\u0443\u043c\u0435\u043d\u0442\u0430\u043c\u0438 \u0442\u0430\u043a\u0436\u0435 \u0432 \u0432\u0438\u0434\u0435 \u0441\u0442\u0440\u043e\u043a\u0438.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-1.57.10-PM.png\" rel=\"attachment wp-att-4707\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4707 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-1.57.10-PM.png\" alt=\"Screen Shot 2016-05-09 at 1.57.10 PM\" width=\"1200\" height=\"226\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-1.57.10-PM.png 1200w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-1.57.10-PM-300x57.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-1.57.10-PM-768x145.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-1.57.10-PM-1024x193.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-1.57.10-PM-500x94.png 500w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/a><\/p>\n<p>\u041a \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 <strong><span style=\"color: #0000ff;\">BinaryOperation<\/span><\/strong> \u0435\u0449\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043e \u0430\u0441\u0441\u043e\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">Int<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0437\u0430\u0434\u0430\u0435\u0442 \u043f\u0440\u0438\u043e\u0440\u0438\u0442\u0435\u0442 \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0439 \u0440\u0430\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u043a\u0440\u0443\u0433\u043b\u044b\u0445 \u0441\u043a\u043e\u0431\u043e\u043a \u0432 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0438.<\/p>\n<p>\u0421\u043e\u0433\u043b\u0430\u0441\u043d\u043e \u043d\u043e\u0432\u044b\u043c \u0430\u0441\u0441\u043e\u0446\u0438\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c \u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u0443\u0435\u043c \u0441\u043b\u043e\u0432\u0430\u0440\u044c <strong><span style=\"color: #0000ff;\">operation<\/span><\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.03.20-PM.png\" rel=\"attachment wp-att-4708\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4708 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.03.20-PM.png\" alt=\"Screen Shot 2016-05-09 at 2.03.20 PM\" width=\"992\" height=\"738\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.03.20-PM.png 992w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.03.20-PM-300x223.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.03.20-PM-768x571.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.03.20-PM-403x300.png 403w\" sizes=\"auto, (max-width: 992px) 100vw, 992px\" \/><\/a><\/p>\n<p>\u0421\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u043d\u043e \u0441\u0438\u043c\u043c\u0435\u0442\u0440\u0438\u0447\u043d\u043e <span style=\"text-decoration: underline;\">\u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u044f\u043c<\/span> \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u043c \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0434\u043b\u044f <span style=\"text-decoration: underline;\">\u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f<\/span>. \u0412\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 <strong><span style=\"color: #0000ff;\">accumulator<\/span><\/strong> \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u044f\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f\u00a0<strong><span style=\"color: #0000ff;\">descriptionAccumulator<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0431\u0443\u0434\u0435\u0442 \u043d\u0430\u043a\u0430\u043f\u043b\u0438\u0432\u0430\u0442\u044c \u0432\u0432\u0435\u0434\u0435\u043d\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u044b \u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438. \u00a0\u0412\u043d\u0435\u0448\u043d\u0435\u0439 <strong>readonly<\/strong> \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 <strong><span style=\"color: #0000ff;\">result<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">, \u043e\u0442\u043e\u0431\u0440\u0430\u0436\u0430\u044e\u0449\u0435\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u00a0<\/span><\/span><span style=\"color: #0000ff;\"><span style=\"color: #000000;\"><span style=\"text-decoration: underline;\">\u0432\u044b\u0447\u0438\u0441\u043b\u0435\u043d\u0438\u0439<\/span>,<\/span><b>\u00a0<\/b><\/span>\u00a0\u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u0432\u043d\u0435\u0448\u043d\u0435\u0439 \u00a0<strong>readonly\u00a0<\/strong>\u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439\u00a0<strong><span style=\"color: #0000ff;\">description<\/span><\/strong>, \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0449\u0430\u044f <span style=\"text-decoration: underline;\">\u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435<\/span> \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u043c\u044b \u0432\u0432\u0435\u043b\u0438 \u0434\u043b\u044f \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.15.06-PM.png\" rel=\"attachment wp-att-4709\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4709 size-large\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.15.06-PM-1024x650.png\" alt=\"Screen Shot 2016-05-09 at 2.15.06 PM\" width=\"584\" height=\"371\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.15.06-PM-1024x650.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.15.06-PM-300x190.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.15.06-PM-768x487.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.15.06-PM-473x300.png 473w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.15.06-PM.png 1346w\" sizes=\"auto, (max-width: 584px) 100vw, 584px\" \/><\/a><\/p>\n<p>\u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f <strong><span style=\"color: #0000ff;\">isPartialResult<\/span><\/strong> \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f <strong>readonly<\/strong> \u0438 \u043d\u0443\u0436\u043d\u0430 \u0432 <strong><span style=\"color: #0000ff;\">ViewController<\/span><\/strong>. \u041f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f <strong><span style=\"color: #0000ff;\">currentPrecedence<\/span><\/strong>\u00a0\u043e\u0442\u0440\u0430\u0436\u0430\u0435\u0442 \u043f\u0440\u0438\u043e\u0440\u0438\u0442\u0435\u0442 \u0442\u0435\u043a\u0443\u0449\u0435\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438.<br \/>\n\u0422\u0435\u043f\u0435\u0440\u044c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u043c \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0443\u00a0<strong><span style=\"color: #0000ff;\">PendingBinaryOperationInfo<\/span><\/strong> \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0439 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0435\u0439 \u0434\u043b\u044f \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.25.02-PM.png\" rel=\"attachment wp-att-4710\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4710 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.25.02-PM.png\" alt=\"Screen Shot 2016-05-09 at 2.25.02 PM\" width=\"1104\" height=\"186\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.25.02-PM.png 1104w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.25.02-PM-300x51.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.25.02-PM-768x129.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.25.02-PM-1024x173.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.25.02-PM-500x84.png 500w\" sizes=\"auto, (max-width: 1104px) 100vw, 1104px\" \/><\/a><\/p>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u0445 \u00a0<strong><span style=\"color: #0000ff;\">setOperand<\/span><\/strong> \u0438 <strong><span style=\"color: #0000ff;\">performOperation<\/span><\/strong> \u00a0\u0434\u043e\u043f\u043e\u043b\u043d\u0438\u043c \u043a\u043e\u0434 \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f. \u041d\u0430\u043c \u044d\u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043b\u0435\u0433\u043a\u043e, \u0442\u0430\u043a \u043a\u0430\u043a \u0442\u0430\u043c. \u0433\u0434\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f accumulator \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c <strong><span style=\"color: #0000ff;\">descriptionAccumulator<\/span><\/strong>.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.32.43-PM.png\" rel=\"attachment wp-att-4712\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4712 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.32.43-PM.png\" alt=\"Screen Shot 2016-05-09 at 2.32.43 PM\" width=\"1062\" height=\"132\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.32.43-PM.png 1062w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.32.43-PM-300x37.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.32.43-PM-768x95.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.32.43-PM-1024x127.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.32.43-PM-500x62.png 500w\" sizes=\"auto, (max-width: 1062px) 100vw, 1062px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.30.18-PM.png\" rel=\"attachment wp-att-4711\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4711 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.30.18-PM.png\" alt=\"Screen Shot 2016-05-09 at 2.30.18 PM\" width=\"1404\" height=\"760\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.30.18-PM.png 1404w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.30.18-PM-300x162.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.30.18-PM-768x416.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.30.18-PM-1024x554.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.30.18-PM-500x271.png 500w\" sizes=\"auto, (max-width: 1404px) 100vw, 1404px\" \/><\/a><\/p>\n<p>\u0415\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0435 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 <span style=\"text-decoration: underline;\">\u0434\u043b\u044f \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f<\/span> \u0441\u0432\u044f\u0437\u0430\u043d\u043e \u0441 \u0430\u043d\u0430\u043b\u0438\u0437\u043e\u043c \u043f\u0440\u0438\u043e\u0440\u0438\u0442\u0435\u0442\u0430 <strong><span style=\"color: #0000ff;\">pre\u0441edence<\/span><\/strong> \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u043e\u0439 \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0441 \u043f\u0440\u0438\u043e\u0440\u0438\u0442\u0435\u0442\u043e\u043c <strong><span style=\"color: #0000ff;\">currentP<\/span><span style=\"color: #0000ff;\"><strong>re\u0441edence<\/strong>\u00a0<\/span><\/strong>\u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438. \u0415\u0441\u043b\u0438 \u043e\u043d \u0432\u044b\u0448\u0435, \u0442\u043e \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0435 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043c\u044b \u0437\u0430\u043a\u043b\u044e\u0447\u0430\u0435\u043c \u0432 \u043a\u0440\u0443\u0433\u043b\u044b\u0435 \u0441\u043a\u043e\u0431\u043a\u0438. \u041f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u0441\u043b\u0443\u0447\u0430\u0439 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u0435\u0442 \u0442\u0430\u043a\u043e\u0439 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438:<\/p>\n<p><span style=\"font-weight: 400;\">\u00a0\u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u0432\u0432\u043e\u0434\u0430 4 + 5 \u00d7 3 = \u0434\u043e\u043b\u0436\u043d\u043e \u0431\u044b\u0442\u044c \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c(4 + 5) \u00d7 3 =\u201d (27 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/p>\n<p>\u0417\u0430\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b <span style=\"color: #0000ff;\"><b>pending<\/b><\/span>\u00a0\u0434\u043e\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430\u043c\u0438 <span style=\"text-decoration: underline;\">\u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f<\/span> \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0438 \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u0430.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.56.10-PM.png\" rel=\"attachment wp-att-4715\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4715 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.56.10-PM.png\" alt=\"Screen Shot 2016-05-09 at 2.56.10 PM\" width=\"1206\" height=\"86\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.56.10-PM.png 1206w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.56.10-PM-300x21.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.56.10-PM-768x55.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.56.10-PM-1024x73.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.56.10-PM-500x36.png 500w\" sizes=\"auto, (max-width: 1206px) 100vw, 1206px\" \/><\/a><\/p>\n<p>\u0424\u0443\u043d\u043a\u0446\u0438\u044f\u00a0<strong><span style=\"color: #0000ff;\">executeBinaryOperation()<\/span><\/strong> \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0435\u0442\u0435\u0440\u043f\u0435\u043b\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.53.21-PM.png\" rel=\"attachment wp-att-4713\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4713 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.53.21-PM.png\" alt=\"Screen Shot 2016-05-09 at 2.53.21 PM\" width=\"1264\" height=\"254\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.53.21-PM.png 1264w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.53.21-PM-300x60.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.53.21-PM-768x154.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.53.21-PM-1024x206.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-2.53.21-PM-500x100.png 500w\" sizes=\"auto, (max-width: 1264px) 100vw, 1264px\" \/><\/a><\/p>\n<p>\u0412\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u043c\u0441\u044f \u043a \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044e \u043d\u0430\u0448\u0435\u0439 \u0432\u043d\u0435\u0448\u043d\u0435\u0439 <strong>readonly<\/strong> \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 <strong><span style=\"color: #0000ff;\">description<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\"> \u0438 \u0434\u0430\u0442\u044c \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u043e\u044f\u0441\u043d\u0435\u043d\u0438\u044f.<\/span><\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-3.39.39-PM.png\" rel=\"attachment wp-att-4716\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4716 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-3.39.39-PM.png\" alt=\"Screen Shot 2016-05-09 at 3.39.39 PM\" width=\"1342\" height=\"292\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-3.39.39-PM.png 1342w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-3.39.39-PM-300x65.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-3.39.39-PM-768x167.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-3.39.39-PM-1024x223.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-3.39.39-PM-500x109.png 500w\" sizes=\"auto, (max-width: 1342px) 100vw, 1342px\" \/><\/a><\/p>\n<p>\u0415\u0441\u043b\u0438 \u0443 \u043d\u0430\u0441 \u043d\u0435\u0442 \u043e\u0442\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u0442\u043e \u0435\u0441\u0442\u044c <strong><span style=\"color: #0000ff;\">pending = nil<\/span><\/strong>, \u0442\u043e \u00a0\u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0430\u0435\u0442\u0441\u044f\u00a0<strong><span style=\"color: #0000ff;\">descriptionAccumulator<\/span><\/strong>, \u0432 \u0447\u0438\u0441\u0442\u043e\u043c \u0432\u0438\u0434\u0435. \u0415\u0441\u043b\u0438 \u0435\u0441\u0442\u044c \u043e\u0442\u043b\u043e\u0436\u0435\u043d\u043d\u0430\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f, \u0442\u043e\u00a0<strong><span style=\"color: #0000ff;\">descriptionAccumulator<\/span><\/strong>\u00a0\u0434\u043e\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435\u043c \u043e\u0442\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438.<\/p>\n<p>\u0418\u0437\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0439 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f <strong><span style=\"color: #0000ff;\">description\u00a0<\/span><\/strong>\u0437\u0430\u0438\u043c\u0441\u0442\u0432\u043e\u0432\u0430\u043d <strong><a href=\"https:\/\/github.com\/m2mtech\/calculator-2016\">\u0437\u0434\u0435\u0441\u044c<\/a><\/strong>.<\/p>\n<h2>\u041f\u0443\u043d\u043a\u0442 7 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p>\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u0434\u0432\u0430 \u0432\u044b\u0448\u0435\u0443\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u0445 \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043c\u0435\u0442\u043a\u0438 <strong><span style=\"color: #0000ff;\">UILabel<\/span><\/strong> \u043d\u0430 \u0432\u0430\u0448\u0435\u043c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u043e\u043c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0435 (<strong>UI<\/strong>), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442 \u043f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u043e\u0432 \u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u0438\u0432\u0435\u043b\u0438 \u043a \u0442\u043e\u043c\u0443, \u0447\u0442\u043e \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u0434\u0438\u0441\u043f\u043b\u0435\u0435 <strong><span style=\"color: #0000ff;\">display<\/span><\/strong>. \u0415\u0441\u043b\u0438 <strong><span style=\"color: #0000ff;\">isPartialResult<\/span><\/strong>, \u0434\u043e\u0431\u0430\u0432\u044c\u0442\u0435<strong><span style=\"color: #0000ff;\"> . . .<\/span> <\/strong>\u00a0\u0432 \u043a\u043e\u043d\u0435\u0446 <strong><span style=\"color: #0000ff;\">UILabel<\/span><\/strong>, \u0438\u043d\u0430\u0447\u0435 \u0434\u043e\u0431\u0430\u0432\u044c\u0442\u0435 <strong><span style=\"color: #0000ff;\">=<\/span><\/strong>. \u00a0\u0415\u0441\u043b\u0438\u00a0<strong><span style=\"color: #0000ff;\">userIsInTheMiddleOfTypingANumber<\/span><\/strong>, \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c <strong><span style=\"color: #0000ff;\">UILabel<\/span><\/strong>, \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u044e\u0449\u0443\u044e \u0442\u043e, \u0447\u0442\u043e \u0431\u044b\u043b\u043e \u0442\u0430\u043c \u043f\u0435\u0440\u0435\u0434 \u0442\u0435\u043c, \u043a\u0430\u043a \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043d\u0430\u0447\u0430\u043b \u043d\u0430\u0431\u0438\u0440\u0430\u0442\u044c \u0447\u0438\u0441\u043b\u043e.<\/p><\/blockquote>\n<p>\u0414\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u043c\u0435\u0442\u043a\u0443 \u0432 \u0441\u0442\u044d\u043a\u0435 \u0438 \u0441\u043e\u0437\u0434\u0430\u0435\u043c <strong>Outlet <span style=\"color: #0000ff;\">history<\/span><\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.20.00-PM.png\" rel=\"attachment wp-att-4718\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4718 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.20.00-PM.png\" alt=\"Screen Shot 2016-05-09 at 5.20.00 PM\" width=\"2162\" height=\"620\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.20.00-PM.png 2162w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.20.00-PM-300x86.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.20.00-PM-768x220.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.20.00-PM-1024x294.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.20.00-PM-1000x288.png 1000w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.20.00-PM-500x143.png 500w\" sizes=\"auto, (max-width: 2162px) 100vw, 2162px\" \/><\/a><\/p>\n<p>\u0414\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0442\u0435\u043a\u0441\u0442\u0430 \u044d\u0442\u043e\u0439 \u043c\u0435\u0442\u043a\u0438 \u0432 \u043a\u043b\u0430\u0441\u0441 <strong><span style=\"color: #0000ff;\">ViewController<\/span><\/strong> \u043f\u0440\u0438 \u043d\u0430\u0436\u0430\u0442\u0438\u0438 \u043a\u043d\u043e\u043f\u043a\u0438 \u0441 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0435\u0439 \u0438 \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u043d\u0438\u0438 \u043c\u0435\u0442\u043e\u0434\u0430 <strong><span style=\"color: #0000ff;\">performOperation<\/span><\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.25.05-PM.png\" rel=\"attachment wp-att-4719\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4719 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.25.05-PM.png\" alt=\"Screen Shot 2016-05-09 at 5.25.05 PM\" width=\"1108\" height=\"506\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.25.05-PM.png 1108w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.25.05-PM-300x137.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.25.05-PM-768x351.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.25.05-PM-1024x468.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.25.05-PM-500x228.png 500w\" sizes=\"auto, (max-width: 1108px) 100vw, 1108px\" \/><\/a><\/p>\n<p>\u041a\u0430\u043a \u0443\u043a\u0430\u0437\u044b\u0432\u0430\u043b\u043e\u0441\u044c \u0432 \u0417\u0430\u0434\u0430\u043d\u0438\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 <span style=\"color: #0000ff;\"><strong>description<\/strong><\/span> \u0438 <strong><span style=\"color: #0000ff;\">isPartialResult<\/span><\/strong> \u043a\u043b\u0430\u0441\u0441\u0430 <strong><span style=\"color: #0000ff;\">CalculatorBrain<\/span><\/strong>.<\/p>\n<p>\u041d\u0430\u043c \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u044e\u0442 \u0442\u0435\u0441\u0442\u044b \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430\u0448\u0435\u0433\u043e\u00a0<span style=\"color: #0000ff;\"><strong>description<\/strong><\/span>:<\/p>\n<ol>\n<li><span style=\"font-weight: 400;\"> \u043a\u0430\u0441\u0430\u0435\u043c\u0441\u044f \u00a07 + \u00a0\u00a0\u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c7 + &#8230;\u201d (\u0441 7, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0432\u0441\u0435 \u0435\u0449\u0435 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 7 + 9 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c7 + &#8230;\u201d (9 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 7 + 9 = \u00a0\u00a0\u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c7 + 9 =\u201d (16 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 7 + 9 = \u221a \u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u00a0\u201c\u221a(7 + 9) =\u201d (4 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 7 + 9 \u221a \u00a0\u00a0\u00a0\u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c7 + \u221a(9) &#8230;\u201d (3 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 7 + 9 \u221a = \u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c7 + \u221a(9) =\u201c (10 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 7 + 9 = + 6 + 3 = \u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c7 + 9 + 6 + 3 =\u201d (25 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 7 + 9 = \u221a 6 + 3 = \u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c6 + 3 =\u201d (9 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 5 + 6 = 7 3 \u00a0\u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c5 + 6 =\u201d (73 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 7 + = \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c7 + 7 =\u201d (14 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 4 \u00d7 \u03c0 = \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c4 \u00d7 \u03c0 =\u201c (12.5663706143592 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 4 + 5 \u00d7 3 = \u00a0\u00a0\u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c4 + 5 \u00d7 3 =\u201d (27 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<li><span style=\"font-weight: 400;\"> 4 + 5 \u00d7 3 = \u00a0\u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u043a\u0430\u0437\u0430\u043d\u043e \u201c(4 + 5) \u00d7 3 =\u201d \u0435\u0441\u043b\u0438 \u0432\u044b \u043f\u0440\u0435\u0434\u043f\u043e\u0447\u0438\u0442\u0430\u0435\u0442\u0435(27 \u043d\u0430 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">)<\/span><\/li>\n<\/ol>\n<p>\u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0432 \u0442\u0435\u0441\u0442\u043e\u0432\u043e\u043c \u0444\u0430\u0439\u043b\u0435 <em><span style=\"text-decoration: underline;\">CalculatorTests.swift<\/span> <\/em>\u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u043c \u0442\u0435\u0441\u0442\u044b \u043d\u0430 \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443\u00a0\u00a0<span style=\"color: #0000ff;\"><strong>description<\/strong><\/span>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.33.53-PM.png\" rel=\"attachment wp-att-4720\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4720 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.33.53-PM.png\" alt=\"Screen Shot 2016-05-09 at 5.33.53 PM\" width=\"1606\" height=\"1074\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.33.53-PM.png 1606w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.33.53-PM-300x201.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.33.53-PM-768x514.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.33.53-PM-1024x685.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.33.53-PM-449x300.png 449w\" sizes=\"auto, (max-width: 1606px) 100vw, 1606px\" \/><\/a><\/p>\n<p>\u0417\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043d\u0430 \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.37.02-PM.png\" rel=\"attachment wp-att-4721\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4721 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.37.02-PM.png\" alt=\"Screen Shot 2016-05-09 at 5.37.02 PM\" width=\"1056\" height=\"526\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.37.02-PM.png 1056w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.37.02-PM-300x149.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.37.02-PM-768x383.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.37.02-PM-1024x510.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.37.02-PM-500x249.png 500w\" sizes=\"auto, (max-width: 1056px) 100vw, 1056px\" \/><\/a><\/p>\n<p>\u041f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u043f\u043e\u043b\u043e\u0436\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442<br \/>\n<a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.39.04-PM.png\" rel=\"attachment wp-att-4722\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4722 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.39.04-PM.png\" alt=\"Screen Shot 2016-05-09 at 5.39.04 PM\" width=\"948\" height=\"196\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.39.04-PM.png 948w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.39.04-PM-300x62.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.39.04-PM-768x159.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.39.04-PM-500x103.png 500w\" sizes=\"auto, (max-width: 948px) 100vw, 948px\" \/><\/a><\/p>\n<h2>\u041f\u0443\u043d\u043a\u0442 8 \u043e\u0431\u044f\u0437\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p><span style=\"font-weight: 400;\">\u0414\u043e\u0431\u0430\u0432\u044c\u0442\u0435 \u043a\u043d\u043e\u043f\u043a\u0443 <strong>C<\/strong>, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043e\u0447\u0438\u0449\u0430\u0435\u0442 \u0432\u0441\u0435 ( \u0432\u0430\u0448 \u0434\u0438\u0441\u043f\u043b\u0435\u0439 display, \u043d\u043e\u0432\u0443\u044e \u0442\u043e\u043b\u044c\u043a\u043e \u044f\u0442\u043e \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043d\u0443\u044e \u043c\u0435\u0442\u043a\u0443 <\/span><strong><span style=\"color: #0000ff;\">UILabel<\/span><\/strong><span style=\"font-weight: 400;\"> \u00a0\u0438 \u0442.\u0434.). \u041a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440 \u043f\u043e\u0441\u043b\u0435 \u043d\u0430\u0436\u0430\u0442\u0438\u044f \u043a\u043d\u043e\u043f\u043a\u0438 <strong>C<\/strong> \u0434\u043e\u043b\u0436\u0435\u043d \u0431\u044b\u0442\u044c \u0432 \u0442\u043e\u043c \u0436\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0438, \u0447\u0442\u043e \u0438 \u043f\u0440\u0438 \u0441\u0442\u0430\u0440\u0442\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f.<\/span><\/p><\/blockquote>\n<p>\u042d\u0442\u0430 \u043a\u043d\u043e\u043f\u043a\u0430 \u0443\u0436\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442, \u0442\u0430\u043a \u043a\u0430\u043a \u043c\u044b \u0432\u043a\u043b\u044e\u0447\u0438\u043b\u0438 \u0435\u0435 \u0432 \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043d\u043e\u043f\u043e\u043a-\u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439. \u041d\u0435\u043c\u043d\u043e\u0433\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u044e <strong><span style=\"color: #0000ff;\">clear()<\/span><\/strong>, \u00a0\u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043e\u043d\u0430 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u0442, \u0441 \u0443\u0447\u0435\u0442\u043e\u043c \u043d\u043e\u0432\u044b\u0445 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f <strong><span style=\"color: #0000ff;\">description<\/span><\/strong>.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.51.17-PM.png\" rel=\"attachment wp-att-4723\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4723 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.51.17-PM.png\" alt=\"Screen Shot 2016-05-09 at 5.51.17 PM\" width=\"1020\" height=\"178\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.51.17-PM.png 1020w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.51.17-PM-300x52.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.51.17-PM-768x134.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-5.51.17-PM-500x87.png 500w\" sizes=\"auto, (max-width: 1020px) 100vw, 1020px\" \/><\/a><\/p>\n<p>\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/Calculator4_8\">Github<\/a><\/strong><strong>\u00a0<\/strong>\u0434\u043b\u044f<strong>\u00a0Xcode 7<\/strong>\u00a0\u0438<strong>\u00a0Swift 2.2<\/strong>.\u00a0\u0415\u0441\u043b\u0438 \u0432\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0438\u00a0<strong>Xcode 8<\/strong>, \u0442\u043e \u0434\u043b\u044f\u00a0<strong>Swift 2.3<\/strong>\u00a0\u043a\u043e\u0434\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f\u00a0\u043d\u0430\u00a0<a href=\"https:\/\/github.com\/BestKora\/Swift-2.3-Solution-Spring-2016\"><strong>Github<\/strong><\/a>, \u0430 \u0434\u043b\u044f\u00a0<strong>Swift 3<\/strong>\u00a0&#8212;\u00a0\u0442\u0430\u043a\u0436\u0435 \u043d\u0430<a href=\"https:\/\/github.com\/BestKora\/Swift-3-Solution-Spring-2016\">\u00a0<strong>Github<\/strong><\/a>.<\/p>\n<h2>\u041f\u0443\u043d\u043a\u0442 1 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p><span style=\"font-weight: 400;\">\u0414\u0430\u0439\u0442\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044e \u043d\u0430\u0436\u0438\u043c\u0430\u0442\u044c \u043a\u043d\u043e\u043f\u043a\u0443 \u00a0\u201c<strong>backspace<\/strong>\u201d \u0435\u0441\u043b\u0438 \u043e\u043d \u0432\u0432\u0435\u043b \u043d\u0435\u0432\u0435\u0440\u043d\u0443\u044e \u0446\u0438\u0444\u0440\u0443. \u042d\u0442\u043e \u0432\u043e\u0432\u0441\u0435 \u043d\u0435 \u043a\u043d\u043e\u043f\u043a\u0430 \u201c<strong>undo<\/strong>,\u201d \u0442\u0430\u043a \u0447\u0442\u043e \u0435\u0441\u043b\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043d\u0430\u0436\u0430\u043b \u043d\u0435\u0432\u0435\u0440\u043d\u0443\u044e \u043a\u043d\u043e\u043f\u043a\u0443 \u0441 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0435\u0439 , \u0442\u043e \u0435\u0433\u043e \u0436\u0434\u0435\u0442 \u043d\u0435\u0443\u0434\u0430\u0447\u0430 ! \u0412\u0430\u043c \u0440\u0435\u0448\u0430\u0442\u044c, \u043a\u0430\u043a \u0432\u044b \u0431\u0443\u0434\u0435\u0442\u0435 \u0440\u0430\u0437\u0440\u0443\u043b\u0438\u0432\u0430\u0442\u044c \u0441\u043b\u0443\u0447\u0430\u0439, \u043a\u043e\u0433\u0434\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043a\u043d\u043e\u043f\u043a\u043e\u0439 \u201c<strong>backspace<\/strong>\u201d \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0443\u0434\u0430\u043b\u0438\u043b \u0447\u0438\u0441\u043b\u043e \u0438 \u0432\u0441\u0435 \u0435\u0449\u0435 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0432\u0432\u043e\u0434\u0430 \u0447\u0438\u0441\u043b\u0430 (in the middle of entering), \u043d\u043e \u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c \u0434\u0438\u0441\u043f\u043b\u0435\u0439 <\/span><span style=\"font-weight: 400;\">display<\/span> <span style=\"font-weight: 400;\">\u0430\u0431\u0441\u043e\u043b\u044e\u0442\u043d\u043e \u043f\u0443\u0441\u0442\u044b\u043c \u0431\u044b\u043b\u043e \u0431\u044b \u043d\u0435 \u043e\u0447\u0435\u043d\u044c \u0434\u0440\u0443\u0436\u0435\u043b\u044e\u0431\u043d\u043e. \u041c\u043e\u0436\u0435\u0442 \u043e\u043a\u0430\u0437\u0430\u0442\u044c\u0441\u044f, \u0447\u0442\u043e \u0440\u0430\u0437\u0434\u0435\u043b <\/span><a href=\"https:\/\/developer.apple.com\/library\/ios\/documentation\/Swift\/Conceptual\/Swift_Programming_Language\/StringsAndCharacters.html#\/\/apple_ref\/doc\/uid\/TP40014097-CH7-ID285\"><span style=\"font-weight: 400;\">Strings and Characters<\/span><\/a><span style=\"font-weight: 400;\"> \u0420\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0430 \u043f\u043e Swift \u0431\u0443\u0434\u0435\u0442 \u043e\u0447\u0435\u043d\u044c \u043f\u043e\u043b\u0435\u0437\u043d\u043e \u0434\u043b\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0439 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b.<\/span><\/p><\/blockquote>\n<p>\u041a\u043d\u043e\u043f\u043a\u0430 \u0441\u043e \u0437\u043d\u0430\u043a\u043e\u043c &#171;<strong>\u2190<\/strong>&#187; \u0441\u0438\u043c\u0432\u043e\u043b\u0438\u0437\u0438\u0440\u0443\u0435\u0442 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e\u00a0\u201c<strong>backspace<\/strong>\u201d \u0438 \u043e\u043d\u0430 \u043d\u0435 \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d\u0430 \u043d\u0438 \u043a \u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u043a\u043b\u0430\u0432\u0438\u0430\u0442\u0443\u0440\u0435, \u043d\u0438 \u043a \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043c. \u0421\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u0434\u043b\u044f \u043d\u0435\u0435 \u0441\u0432\u043e\u0439 <strong>Action<\/strong> \u0438 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043c\u0435\u0442\u043e\u0434\u00a0<strong><span style=\"color: #800080;\">\u00a0@IBAction<\/span><span style=\"color: #0000ff;\"> func backspace(sender: UIButton)\u00a0<\/span><\/strong><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.33.20-PM.png\" rel=\"attachment wp-att-4725\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4725 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.33.20-PM.png\" alt=\"Screen Shot 2016-05-09 at 7.33.20 PM\" width=\"2336\" height=\"1318\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.33.20-PM.png 2336w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.33.20-PM-300x169.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.33.20-PM-768x433.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.33.20-PM-1024x578.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.33.20-PM-500x282.png 500w\" sizes=\"auto, (max-width: 2336px) 100vw, 2336px\" \/><\/a><\/p>\n<p>\u0412 \u043c\u0435\u0442\u043e\u0434\u0435 <strong><span style=\"color: #0000ff;\">func backspace(sender: UIButton)\u00a0<\/span><\/strong> \u043c\u044b \u0443\u0434\u0430\u043b\u044f\u0435\u043c \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0439 \u0438\u0437 \u043d\u0430\u0431\u0440\u0430\u043d\u043d\u044b\u0445 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u043c \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u043f\u0440\u0438 \u0432\u0432\u043e\u0434\u0435 \u0447\u0438\u0441\u043b\u0430:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.40.50-PM.png\" rel=\"attachment wp-att-4727\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4727 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.40.50-PM.png\" alt=\"Screen Shot 2016-05-09 at 7.40.50 PM\" width=\"1138\" height=\"250\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.40.50-PM.png 1138w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.40.50-PM-300x66.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.40.50-PM-768x169.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.40.50-PM-1024x225.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.40.50-PM-500x110.png 500w\" sizes=\"auto, (max-width: 1138px) 100vw, 1138px\" \/><\/a><\/p>\n<p>\u042d\u0442\u043e\u0433\u043e \u043d\u0435\u0442 \u0432 \u0417\u0430\u0434\u0430\u043d\u0438\u0438, \u043d\u043e \u043c\u044b \u0441\u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u0435\u043c \u043a\u043d\u043e\u043f\u043a\u0443 \u0441 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0435\u0439 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0437\u043d\u0430\u043a\u0430 &#171;<strong>\u00b1<\/strong>&#187; \u0441 \u0442\u0435\u043c, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043c\u043e\u0433 \u0432\u0432\u043e\u0434\u0438\u0442\u044c \u043e\u0442\u0440\u0438\u0446\u0430\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0447\u0438\u0441\u043b\u0430. \u0415\u0441\u043b\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u0441\u0435\u0440\u0435\u0434\u0438\u043d\u0435 \u0432\u0432\u043e\u0434\u0430 \u0447\u0438\u0441\u043b\u0430, \u0442\u043e \u043c\u044b \u0438\u0437\u043c\u0435\u043d\u0438\u043c \u0437\u043d\u0430\u043a \u044d\u0442\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043c \u0435\u043c\u0443 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0442\u044c \u0435\u0433\u043e \u0432\u0432\u043e\u0434. \u041d\u043e \u0435\u0441\u043b\u0438 \u043e\u043d \u043d\u0435 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0435\u0441\u044c \u0432 \u0441\u0435\u0440\u0435\u0434\u0438\u043d\u0435 \u0432\u0432\u043e\u0434\u0430 \u0447\u0438\u0441\u043b\u0430, \u0442\u043e \u044d\u0442\u043e \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u043e \u043a\u0430\u043a \u043b\u044e\u0431\u0430\u044f \u0434\u0440\u0443\u0433\u0430\u044f \u0443\u043d\u0430\u0440\u043d\u0430\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f ( \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, <strong><span style=\"color: #0000ff;\">sqrt<\/span><\/strong>).<br \/>\n\u0421\u043e\u0437\u0434\u0430\u0434\u0438\u043c \u0434\u043b\u044f \u043a\u043d\u043e\u043f\u043a\u0438 &#171;<strong>\u00b1<\/strong>&#187;\u00a0\u0441\u0432\u043e\u0439\u00a0<strong>Action<\/strong>\u00a0\u0438 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043c\u0435\u0442\u043e\u0434\u00a0<strong><span style=\"color: #800080;\">\u00a0@IBAction<\/span><span style=\"color: #0000ff;\">\u00a0<\/span><span style=\"color: #0000ff;\"><span style=\"color: #0000ff;\">fun\u0441\u00a0<\/span><\/span><span style=\"color: #0000ff;\">plusMinus\u00a0(sender: UIButton)\u00a0<\/span><\/strong><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.51.45-PM.png\" rel=\"attachment wp-att-4728\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4728 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.51.45-PM.png\" alt=\"Screen Shot 2016-05-09 at 7.51.45 PM\" width=\"2380\" height=\"1346\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.51.45-PM.png 2380w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.51.45-PM-300x170.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.51.45-PM-768x434.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.51.45-PM-1024x579.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.51.45-PM-500x283.png 500w\" sizes=\"auto, (max-width: 2380px) 100vw, 2380px\" \/><\/a><\/p>\n<p>\u0412 \u043c\u0435\u0442\u043e\u0434\u0435 <strong><span style=\"color: #0000ff;\">fun\u0441\u00a0<\/span><span style=\"color: #0000ff;\">plusMinus\u00a0(sender: UIButton)\u00a0<\/span><\/strong>\u00a0\u043c\u044b \u043c\u0435\u043d\u044f\u0435\u043c \u0437\u043d\u0430\u043a \u043d\u0430 \u0434\u0438\u0441\u043f\u043b\u0435\u0435 <strong><span style=\"color: #0000ff;\">display<\/span><\/strong>, \u0435\u0441\u043b\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0432\u0432\u043e\u0434\u0430 \u0447\u0438\u0441\u043b\u0430, \u0430 \u0435\u0441\u043b\u0438 \u043d\u0435\u0442, \u0442\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e &#171;<strong>\u00b1<\/strong>&#171;.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.59.26-PM.png\" rel=\"attachment wp-att-4729\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4729 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.59.26-PM.png\" alt=\"Screen Shot 2016-05-09 at 7.59.26 PM\" width=\"1124\" height=\"310\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.59.26-PM.png 1124w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.59.26-PM-300x83.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.59.26-PM-768x212.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.59.26-PM-1024x282.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-7.59.26-PM-500x138.png 500w\" sizes=\"auto, (max-width: 1124px) 100vw, 1124px\" \/><\/a><\/p>\n<p>\u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u043d\u0430\u0434\u043e \u043e\u0442\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u043a\u043d\u043e\u043f\u043a\u0443\u00a0\u00a0&#171;<strong>\u00b1<\/strong>&#187; \u043e\u0442 <strong>Action <span style=\"color: #0000ff;\">performOperation<\/span><\/strong>.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-8.01.35-PM.png\" rel=\"attachment wp-att-4731\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4731 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-8.01.35-PM.png\" alt=\"Screen Shot 2016-05-09 at 8.01.35 PM\" width=\"1756\" height=\"1378\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-8.01.35-PM.png 1756w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-8.01.35-PM-300x235.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-8.01.35-PM-768x603.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-8.01.35-PM-1024x804.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-8.01.35-PM-382x300.png 382w\" sizes=\"auto, (max-width: 1756px) 100vw, 1756px\" \/><\/a><\/p>\n<h2>\u041f\u0443\u043d\u043a\u0442 2 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p><span style=\"font-weight: 400;\">\u0418\u0437\u043c\u0435\u043d\u0438\u0442\u0435 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u043c\u0443\u044e \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e <\/span><strong><span style=\"color: #0000ff;\">displayValue<\/span><\/strong><span style=\"font-weight: 400;\"> \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0430 \u043a\u043b\u0430\u0441\u0441\u0430 \u00a0\u0438 \u0441\u0434\u0435\u043b\u0430\u0439\u0442\u0435 \u0435\u0435 <\/span><strong><span style=\"color: #0000ff;\">Optional<\/span> <span style=\"color: #0000ff;\">Double<\/span><\/strong><span style=\"font-weight: 400;\">, \u0430 \u043d\u0435 <\/span><strong><span style=\"color: #0000ff;\">Double<\/span><\/strong><span style=\"font-weight: 400;\">. \u0415\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0431\u0443\u0434\u0435\u0442 <\/span><strong><span style=\"color: #0000ff;\">nil<\/span><\/strong><span style=\"font-weight: 400;\">, \u0435\u0441\u043b\u0438 \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0435 <\/span><strong><span style=\"color: #0000ff;\">display.text <\/span><\/strong><span style=\"font-weight: 400;\">\u043d\u0435\u043b\u044c\u0437\u044f \u0438\u043d\u0442\u0435\u043f\u0440\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u043a <\/span><strong><span style=\"color: #0000ff;\">Double<\/span><\/strong><span style=\"font-weight: 400;\">. \u0423\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0435\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0432 <\/span><strong><span style=\"color: #0000ff;\">nil<\/span><\/strong><span style=\"font-weight: 400;\"> \u0434\u043e\u043b\u0436\u043d\u043e \u043e\u0447\u0438\u0449\u0430\u0442\u044c <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">. \u0412\u0430\u043c \u043d\u0443\u0436\u043d\u043e \u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u043e\u0434 \u0434\u043b\u044f <\/span><strong><span style=\"color: #0000ff;\">displayValue<\/span><\/strong><span style=\"font-weight: 400;\">.<\/span><\/p><\/blockquote>\n<p>\u0418\u0437\u043c\u0435\u043d\u044f\u0435\u043c \u043a\u043e\u0434 \u0434\u043b\u044f\u00a0<strong><span style=\"color: #0000ff;\">displayValue<\/span><\/strong><span style=\"font-weight: 400;\">\u00a0\u0438 \u0441\u044e\u0434\u0430 \u0436\u0435 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u043c \u043a\u043e\u0434 \u0434\u043b\u044f \u043c\u0435\u0442\u043a\u0438 <strong><span style=\"color: #0000ff;\">history<\/span><\/strong>.<\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.17.55-PM.png\" rel=\"attachment wp-att-4732\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4732 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.17.55-PM.png\" alt=\"Screen Shot 2016-05-09 at 9.17.55 PM\" width=\"1168\" height=\"496\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.17.55-PM.png 1168w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.17.55-PM-300x127.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.17.55-PM-768x326.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.17.55-PM-1024x435.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.17.55-PM-500x212.png 500w\" sizes=\"auto, (max-width: 1168px) 100vw, 1168px\" \/><\/a><\/p>\n<p>\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorExtra1_2\">Github<\/a><\/strong><strong>\u00a0<\/strong>\u0434\u043b\u044f<strong>\u00a0Xcode 7<\/strong>\u00a0\u0438<strong>\u00a0Swift 2.2<\/strong>.\u00a0\u0415\u0441\u043b\u0438 \u0432\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0438\u00a0<strong>Xcode 8<\/strong>, \u0442\u043e \u0434\u043b\u044f\u00a0<strong>Swift 2.3<\/strong>\u00a0\u043a\u043e\u0434\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f\u00a0\u043d\u0430\u00a0<a href=\"https:\/\/github.com\/BestKora\/Swift-2.3-Solution-Spring-2016\"><strong>Github<\/strong><\/a>, \u0430 \u0434\u043b\u044f\u00a0<strong>Swift 3<\/strong>\u00a0&#8212;\u00a0\u0442\u0430\u043a\u0436\u0435 \u043d\u0430<a href=\"https:\/\/github.com\/BestKora\/Swift-3-Solution-Spring-2016\">\u00a0<strong>Github<\/strong><\/a>.<\/p>\n<h2>\u041f\u0443\u043d\u043a\u0442 3 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439<\/h2>\n<blockquote><p><span style=\"font-weight: 400;\">\u0418\u0437\u0443\u0447\u0438\u0442\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u044e \u043a\u043b\u0430\u0441\u0441\u0430 <\/span><strong><span style=\"color: #0000ff;\">NSNumberFormatter<\/span><\/strong><span style=\"font-weight: 400;\"> \u0441 \u0442\u0435\u043c, \u0447\u0442\u043e\u0431\u044b \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0435\u0433\u043e \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0430\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0434\u043e\u043b\u0436\u0435\u043d \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c <\/span><b>6<\/b><span style=\"font-weight: 400;\"> \u0446\u0438\u0444\u0440 \u043f\u043e\u0441\u043b\u0435 \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u043e\u0439 \u0442\u043e\u0447\u043a\u0438 \u00a0(\u0432\u043c\u0435\u0441\u0442\u043e \u043f\u043e\u043a\u0430\u0437\u0430 \u0432\u0441\u0435\u0445 \u0446\u0438\u0444\u0440, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0445 <\/span><strong><span style=\"color: #0000ff;\">Double<\/span><\/strong><span style=\"font-weight: 400;\">). \u042d\u0442\u043e \u0443\u043d\u0438\u0447\u0442\u043e\u0436\u0438\u0442 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f <\/span><b>Autoshrink<\/b><span style=\"font-weight: 400;\"> \u0432 <\/span><strong><span style=\"color: #0000ff;\">display<\/span><\/strong><span style=\"font-weight: 400;\">. \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u00a0\u043a\u043b\u0430\u0441\u0441\u0430 <\/span><strong><span style=\"color: #0000ff;\">NSNumberFormatter<\/span><\/strong><span style=\"font-weight: 400;\"> \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f \u043e\u0442 \u043b\u0438\u0448\u043d\u0438\u0445 \u201c.0\u201d , \u043f\u043e\u0434\u0441\u043e\u0435\u0434\u0438\u043d\u044f\u0435\u043c\u044b\u0445 \u043a \u0446\u0435\u043b\u043e\u0447\u0438\u0441\u043b\u0435\u043d\u043d\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f\u043c (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u043c \u201c<\/span><b>4<\/b><span style=\"font-weight: 400;\">\u201d, \u0432 \u043d\u0435 \u00a0\u201c<\/span><b>4.0<\/b><span style=\"font-weight: 400;\">\u201d \u043f\u0440\u0438 \u0438\u0437\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u0438 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u043e\u0433\u043e \u043a\u043e\u0440\u043d\u044f \u0438\u0437 <\/span><b>16)<\/b><span style=\"font-weight: 400;\">. \u0412\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u044d\u0442\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0438 \u0434\u043b\u044f \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u044f <\/span><strong><span style=\"color: #0000ff;\">description<\/span><\/strong><span style=\"font-weight: 400;\"> \u0432 \u043a\u043b\u0430\u0441\u0441\u0435 <\/span><strong><span style=\"color: #0000ff;\">CalculatorBrain<\/span><\/strong><span style=\"font-weight: 400;\">.<\/span><\/p><\/blockquote>\n<p><span style=\"font-weight: 400;\">\u00a0\u00a0\u0418\u0437-\u0437\u0430 \u0442\u043e\u0433\u043e, \u0447\u0442\u043e \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f\u00a0<strong><span style=\"color: #0000ff;\">NSNumberFormatter<\/span><\/strong>\u00a0\u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c\u00a0<em><strong><a href=\"http:\/\/nshipster.com\/nsformatter\/\">\u044d\u043a\u0441\u0442\u0440\u0435\u043c\u0430\u043b\u044c\u043d\u043e \u0434\u043e\u0440\u043e\u0433\u043e\u0439 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0435\u0439\u00a0<\/a><\/strong><\/em>\u0432\u00a0<strong>iOS<\/strong>, \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0439 &#171;\u043f\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043d\u0430 \u043a\u043e\u043b\u0435\u043d\u0438&#187; \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u043d\u0435 \u0445\u043e\u0442\u0435\u043b\u043e\u0441\u044c \u0431\u044b, \u0447\u0442\u043e\u0431\u044b \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u0437\u0430\u0432\u0438\u0441\u0435\u043b\u0430 \u043e\u0442 \u044d\u0442\u043e\u0433\u043e, \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e \u0435\u0441\u043b\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043e\u0434\u043d\u0430 \u0438 \u0442\u0430 \u0436\u0435 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044e \u00a0<strong><span style=\"color: #0000ff;\">NSNumberFormatter<\/span><\/strong>\u00a0\u0432\u0441\u044e\u0434\u0443 \u0432 \u043c\u043e\u0435\u043c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0438. \u0411\u0443\u0434\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c<strong>\u00a0Singleton<\/strong>\u00a0(\u00a0<strong>\u0441\u0438\u043d\u0433\u043b\u0442\u043e\u043d<\/strong>\u00a0) &#8212; \u0440\u043e\u0432\u043d\u043e \u043e\u0434\u0438\u043d \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440 \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u043a\u043b\u0430\u0441\u0441\u0430, \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u043e \u00a0\u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0439 \u0432\u0441\u0435\u043c \u043a\u043b\u0438\u0435\u043d\u0442\u0430\u043c. \u0412 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0441\u0442\u043a\u043e\u043c \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0435 \u0438\u0434\u0435\u0442 \u0431\u043e\u043b\u044c\u0448\u0430\u044f \u0434\u0438\u0441\u043a\u0443\u0441\u0441\u0438\u044f \u043f\u043e \u043f\u043e\u0432\u043e\u0434\u0443 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f\u00a0<strong>\u00a0Singleton<\/strong>\u00a0(\u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u0447\u0435\u0441\u043a\u0438 \u043d\u0435 \u0441\u043e\u0432\u0435\u0442\u0443\u044e\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u00a0<strong>\u00a0Singleton<\/strong>, \u0434\u0440\u0443\u0433\u0438\u0435 \u043d\u0430\u043e\u0431\u043e\u0440\u043e\u0442), \u043d\u043e \u044d\u0442\u043e \u043f\u0430\u0442\u0442\u0435\u0440\u043d, \u0437\u043d\u0430\u043a\u043e\u043c\u044b\u0439 \u0432\u0441\u0435\u043c \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0441\u0442\u0430\u043c \u0438 \u043c\u044b \u0432\u043f\u0440\u0430\u0432\u0435 \u0435\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u0438\u0442\u044c.<\/span><\/p>\n<p>\u0414\u043e\u0431\u0430\u0432\u043b\u044f\u0435\u043c \u0432 \u043a\u043e\u043d\u0435\u0446 \u0444\u0430\u0439\u043b\u0430<strong>\u00a0<\/strong><span style=\"text-decoration: underline;\"><em>CalculatorBrain.swift<\/em><\/span>\u00a0\u043a\u043b\u0430\u0441\u0441\u00a0<span style=\"color: #0000ff;\"><b>CalculatorFormatter<\/b><\/span>\u00a0\u0441 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u043c\u0438 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u043c\u0438 \u0438 \u0441\u043e\u0437\u0434\u0430\u0435\u043c <strong>Singleton <span style=\"color: #0000ff;\">formatter<\/span><\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043c\u043e\u0436\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432 \u043b\u044e\u0431\u043e\u043c \u043c\u0435\u0441\u0442\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.52.01-PM.png\" rel=\"attachment wp-att-4737\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4737 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.52.01-PM.png\" alt=\"Screen Shot 2016-05-09 at 9.52.01 PM\" width=\"1118\" height=\"494\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.52.01-PM.png 1118w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.52.01-PM-300x133.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.52.01-PM-768x339.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.52.01-PM-1024x452.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.52.01-PM-500x221.png 500w\" sizes=\"auto, (max-width: 1118px) 100vw, 1118px\" \/><\/a><\/p>\n<p>\u0414\u0435\u043b\u0430\u0435\u043c \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432\u00a0<em><span style=\"text-decoration: underline;\">CalculatorBrain.swift<\/span><\/em><strong> \u00a0<\/strong>\u0438 \u0432\u00a0<span style=\"text-decoration: underline;\"><em>ViewController.swift\u00a0<\/em><\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.55.15-PM.png\" rel=\"attachment wp-att-4738\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4738 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.55.15-PM.png\" alt=\"Screen Shot 2016-05-09 at 9.55.15 PM\" width=\"1134\" height=\"138\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.55.15-PM.png 1134w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.55.15-PM-300x37.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.55.15-PM-768x93.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.55.15-PM-1024x125.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.55.15-PM-500x61.png 500w\" sizes=\"auto, (max-width: 1134px) 100vw, 1134px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.56.59-PM.png\" rel=\"attachment wp-att-4739\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4739 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.56.59-PM.png\" alt=\"Screen Shot 2016-05-09 at 9.56.59 PM\" width=\"1158\" height=\"506\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.56.59-PM.png 1158w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.56.59-PM-300x131.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.56.59-PM-768x336.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.56.59-PM-1024x447.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-09-at-9.56.59-PM-500x218.png 500w\" sizes=\"auto, (max-width: 1158px) 100vw, 1158px\" \/><\/a><\/p>\n<p>\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430<strong> <a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorExtra_3\">Github<\/a><\/strong>.<strong>\u00a0<\/strong>\u0434\u043b\u044f<strong>\u00a0Xcode 7<\/strong>\u00a0\u0438<strong>\u00a0Swift 2.2<\/strong>.\u00a0\u0415\u0441\u043b\u0438 \u0432\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0438\u00a0<strong>Xcode 8<\/strong>, \u0442\u043e \u0434\u043b\u044f\u00a0<strong>Swift 2.3<\/strong>\u00a0\u043a\u043e\u0434\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f\u00a0\u043d\u0430\u00a0<a href=\"https:\/\/github.com\/BestKora\/Swift-2.3-Solution-Spring-2016\"><strong>Github<\/strong><\/a>, \u0430 \u0434\u043b\u044f\u00a0<strong>Swift 3<\/strong>\u00a0&#8212;\u00a0\u0442\u0430\u043a\u0436\u0435 \u043d\u0430<a href=\"https:\/\/github.com\/BestKora\/Swift-3-Solution-Spring-2016\">\u00a0<strong>Github<\/strong><\/a>.<\/p>\n<h2>\u0414\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435. \u0420\u0430\u0431\u043e\u0442\u0430 \u0441 \u0440\u0435\u0433\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u044b\u043c \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u044b\u043c \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u0435\u043c.<\/h2>\n<blockquote><p>\u0415\u0441\u043b\u0438 \u0432\u044b \u0431\u0443\u0434\u0435\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0438\u043c\u0432\u043e\u043b\u00a0\u00a0<strong>\u0442\u043e\u0447\u043a\u0438\u00a0&#171;.&#187;<\/strong>\u00a0\u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u043e\u0433\u043e \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044f \u0432\u00a0\u0417\u0430\u0434\u0430\u043d\u0438\u0438 1, \u0442\u043e \u043e\u043d\u043e \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043d\u0430 \u0441\u0438\u043c\u0443\u043b\u044f\u0442\u043e\u0440\u0435 \u0438 \u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u043d\u0430 \u0432\u0430\u0448\u0435\u043c\u00a0<strong>\u0440\u0435\u0430\u043b\u044c\u043d\u043e\u043c<\/strong>\u00a0<strong>\u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0435<\/strong>, \u0435\u0441\u043b\u0438\u00a0<strong>\u0420\u0435\u0433\u0438\u043e\u043d<\/strong>\u00a0\u043d\u0430 \u0432\u0430\u0448\u0435\u043c \u043f\u0440\u0438\u0431\u043e\u0440\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d \u0442\u0430\u043a, \u0447\u0442\u043e<strong>\u00a0\u0442\u0430\u043c \u043d\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f &#171;.&#187;<\/strong>\u00a0\u0434\u043b\u044f \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b. \u0412 \u044d\u0442\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0437\u0430\u043a\u043e\u043d\u0447\u0438\u0442\u0441\u044f \u0430\u0432\u0430\u0440\u0438\u0439\u043d\u043e. \u041d\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0434\u043e\u043b\u0436\u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0432<strong>\u00a0\u043b\u044e\u0431\u043e\u043c \u0420\u0435\u0433\u0438\u043e\u043d\u0435.<\/strong><\/p><\/blockquote>\n<p>\u0414\u043b\u044f \u0442\u043e\u0433\u043e, \u0447\u0442\u043e\u0431\u044b \u043d\u0435 \u0437\u0430\u0432\u0438\u0441\u0435\u0442\u044c \u043e\u0442\u00a0<strong>\u0420\u0435\u0433\u0438\u043e\u043d\u0430,<\/strong>\u00a0\u043b\u0443\u0447\u0448\u0435 \u043f\u043e\u043b\u0443\u0447\u0430\u0442\u044c\u00a0\u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c \u0434\u043b\u044f \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u044b\u0445 \u0447\u0438\u0441\u0435\u043b \u043d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u0432 \u0432\u0430\u0448\u0435\u043c \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0435:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-25-at-8.13.14-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-1545 \" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-25-at-8.13.14-PM.png\" alt=\"Screen Shot 2015-03-25 at 8.13.14 PM\" width=\"529\" height=\"51\" \/><\/a><\/p>\n<p>\u0415\u0441\u043b\u0438 \u043c\u044b \u043f\u043e\u0439\u0434\u0435\u043c \u043d\u0435\u043c\u043d\u043e\u0433\u043e \u0434\u0430\u043b\u044c\u0448\u0435, \u0438\u0441\u0441\u043b\u0435\u0434\u0443\u044f \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u044b\u0439 \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c, \u0442\u043e \u043d\u0430\u043c \u0437\u0430\u0445\u043e\u0447\u0435\u0442\u0441\u044f \u0438\u043c\u0435\u0442\u044c \u043a\u043d\u043e\u043f\u043a\u0443 \u043d\u0435 \u0441 \u0442\u043e\u0447\u043a\u043e\u0439 &#171;.&#187;, \u0430 \u0441 \u0442\u0435\u043c \u0437\u043d\u0430\u043a\u043e\u043c, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0440\u0438\u043d\u044f\u0442 \u0432 \u044d\u0442\u043e\u043c\u00a0<strong>\u0420\u0435\u0433\u0438\u043e\u043d\u0435<\/strong>. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u0441\u0434\u0435\u043b\u0430\u0435\u043c\u00a0<strong>outlet<\/strong>\u00a0\u0434\u043b\u044f \u043a\u043d\u043e\u043f\u043a\u0438 \u0441 \u0443\u0441\u043b\u043e\u0432\u043d\u044b\u043c \u043d\u0430\u0437\u0432\u0430\u043d\u0438\u0435\u043c &#171;\u0442\u043e\u0447\u043a\u0430&#187;<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.26.36-AM.png\" rel=\"attachment wp-att-4746\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4746 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.26.36-AM.png\" alt=\"Screen Shot 2016-05-10 at 11.26.36 AM\" width=\"1114\" height=\"136\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.26.36-AM.png 1114w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.26.36-AM-300x37.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.26.36-AM-768x94.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.26.36-AM-1024x125.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.26.36-AM-500x61.png 500w\" sizes=\"auto, (max-width: 1114px) 100vw, 1114px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.24.40-AM.png\" rel=\"attachment wp-att-4747\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4747 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.24.40-AM.png\" alt=\"Screen Shot 2016-05-10 at 11.24.40 AM\" width=\"1964\" height=\"1314\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.24.40-AM.png 1964w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.24.40-AM-300x201.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.24.40-AM-768x514.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.24.40-AM-1024x685.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.24.40-AM-448x300.png 448w\" sizes=\"auto, (max-width: 1964px) 100vw, 1964px\" \/><\/a><\/p>\n<p>\u041c\u044b \u0434\u043e\u043b\u0436\u043d\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043e\u043a \u044d\u0442\u043e\u0439 \u043a\u043d\u043e\u043f\u043a\u0438 \u0440\u0430\u0432\u043d\u044b\u043c\u00a0<strong><span style=\"color: #0000ff;\">decimalSeparator<\/span><\/strong>\u00a0\u0438 \u044d\u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0434\u0432\u0443\u043c\u044f \u0441\u043f\u043e\u0441\u043e\u0431\u0430\u043c\u0438 :<\/p>\n<ol>\n<li>\u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043c\u0435\u0442\u043e\u0434\u0430<strong><span style=\"color: #0000ff;\">\u00a0viewDidLoad ()<\/span><\/strong>\u00a0&#171;\u0436\u0438\u0437\u043d\u0435\u043d\u043d\u043e\u0433\u043e \u0446\u0438\u043a\u043b\u0430&#187;\u00a0<strong>Controller<\/strong>\u00a0(\u043e\u0431 \u044d\u0442\u043e\u043c \u0431\u0443\u0434\u0435\u0442 \u043b\u0435\u043a\u0446\u0438\u044f 8); \u044d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u0441\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u043e\u0434\u0438\u043d \u0440\u0430\u0437 \u043f\u0440\u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0435\u00a0<strong>Controller<\/strong><\/li>\n<li>\u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u041d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u0435\u043b\u044f\u00a0<strong><span style=\"color: #0000ff;\">didSet{}<\/span>\u00a0<\/strong>\u0421\u0432\u043e\u0439\u0441\u0442\u0430\u00a0<strong><span style=\"color: #0000ff;\">@IBOutlet weak var tochka<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">; \u044d\u0442\u043e\u0442 \u043c\u0435\u0442\u043e\u0434 \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u043e\u0434\u0438\u043d \u0440\u0430\u0437 \u043f\u0440\u0438 \u00a0\u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0435 \u044d\u0442\u043e\u0433\u043e\u00a0<strong>outlet<\/strong>\u00a0\u00a0\u0441\u043e \u00a0<strong>storyboard<\/strong><\/span><\/span><\/li>\n<\/ol>\n<p>\u0412\u0442\u043e\u0440\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u043c\u043d\u0435 \u0431\u043e\u043b\u044c\u0448\u0435 \u043d\u0440\u0430\u0432\u0438\u0442\u0441\u044f \u0438 \u043e\u043d \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u00a0<strong>\u041d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u0435\u043b\u044f\u00a0\u0421\u0432\u043e\u0439\u0441\u0442\u0432\u0430\u00a0<span style=\"color: #0000ff;\">tochka\u00a0<span style=\"color: #333333;\">didSet {}<\/span><\/span><\/strong><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-24-at-11.37.09-PM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-1519 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-24-at-11.37.09-PM.png\" alt=\"Screen Shot 2015-03-24 at 11.37.09 PM\" width=\"1130\" height=\"304\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-24-at-11.37.09-PM.png 1130w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-24-at-11.37.09-PM-300x81.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-24-at-11.37.09-PM-1024x275.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-24-at-11.37.09-PM-500x135.png 500w\" sizes=\"auto, (max-width: 1130px) 100vw, 1130px\" \/><\/a><\/p>\n<p>\u0414\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438 \u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043d\u0430 \u043a\u043d\u043e\u043f\u043a\u0435 \u043d\u0435 &#171;<strong>.<\/strong>&#171;, \u0430 \u0442\u0440\u0438 \u0441\u0438\u043c\u0432\u043e\u043b\u0430\u00a0<strong>&#171;.PO<\/strong>&#171;, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0434\u043e\u043b\u0436\u043d\u044b \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u0441\u044f \u043d\u0430 \u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u044b\u0439 \u0440\u0430\u0437\u0434\u0435\u043b\u0438\u0442\u0435\u043b\u044c\u00a0<strong><span style=\"color: #0000ff;\">decimalSeparator<\/span><\/strong>, \u0432\u0437\u044f\u0442\u044b\u0439 \u0438\u0437\u00a0<span style=\"color: #0000ff;\"><strong>NSNumberFormatter()<\/strong><\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.35.47-AM.png\" rel=\"attachment wp-att-4748\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4748 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.35.47-AM.png\" alt=\"Screen Shot 2016-05-10 at 11.35.47 AM\" width=\"1956\" height=\"1410\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.35.47-AM.png 1956w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.35.47-AM-300x216.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.35.47-AM-768x554.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.35.47-AM-1024x738.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.35.47-AM-416x300.png 416w\" sizes=\"auto, (max-width: 1956px) 100vw, 1956px\" \/><\/a><\/p>\n<p>\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorRegionPoint\"> Github<\/a>.<\/strong><\/p>\n<h2>\u0414\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435. \u0410\u0434\u0430\u043f\u0442\u0438\u0432\u043d\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441.<\/h2>\n<p>\u0420\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u044f \u0440\u0430\u0431\u043e\u0442\u0443 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u043d\u0430\u00a0<strong>iPhone 6+<\/strong>, \u043c\u044b \u0437\u0430\u043c\u0435\u0447\u0430\u0435\u043c, \u0447\u0442\u043e\u00a0\u0432 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435 \u0445\u043e\u0447\u0435\u0442\u0441\u044f \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0434\u0440\u0443\u0433\u043e\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043a\u043d\u043e\u043f\u043e\u043a: \u043d\u0435 5 \u0445 7, \u0430, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, 6 \u0445 6.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.54.47-AM.png\" rel=\"attachment wp-att-4750\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4750 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.54.47-AM.png\" alt=\"Screen Shot 2016-05-10 at 11.54.47 AM\" width=\"1790\" height=\"1174\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.54.47-AM.png 1790w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.54.47-AM-300x197.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.54.47-AM-768x504.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.54.47-AM-1024x672.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-11.54.47-AM-457x300.png 457w\" sizes=\"auto, (max-width: 1790px) 100vw, 1790px\" \/><\/a><\/p>\n<p>\u0422\u043e \u0436\u0435 \u0441\u0430\u043c\u043e\u0435 \u043d\u0430\u00a0<strong>iPhone 5s<\/strong>\u00a0\u0432 \u043f\u043e\u0440\u0442\u0440\u0435\u0442\u043d\u043e\u043c \u0438 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0430\u0445.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM.png\" rel=\"attachment wp-att-4702\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4702 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM.png\" alt=\"Screen Shot 2016-05-08 at 10.57.02 AM\" width=\"1834\" height=\"1176\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM.png 1834w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM-300x192.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM-768x492.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM-1024x657.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-08-at-10.57.02-AM-468x300.png 468w\" sizes=\"auto, (max-width: 1834px) 100vw, 1834px\" \/><\/a><\/p>\n<p>\u0425\u043e\u0442\u0435\u043b\u043e\u0441\u044c \u0431\u044b \u0432 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0434\u0440\u0443\u0433\u043e\u0435 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043a\u043d\u043e\u043f\u043e\u043a: \u043d\u0435 5 \u0445 7, \u0430, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, 6 \u0445 6.\u00a0\u00a0\u0421 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c\u00a0<strong>StackViews<\/strong>\u00a0\u044d\u0442\u043e \u0434\u0435\u043b\u0430\u0435\u0442\u0441\u044f \u043d\u0435 \u0432\u00a0\u00a0<strong>Interface Builder\u00a0<\/strong>\u043a\u0430\u043a \u044d\u0442\u043e \u0431\u044b\u043b\u043e \u0440\u0430\u043d\u044c\u0448\u0435, \u0430 \u0441 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u0435\u043c\u00a0<strong>API StackViews<\/strong>\u00a0(<strong><span style=\"color: #0000ff;\">addArrangedSubview<\/span><\/strong>\u00a0\u0438\u00a0<strong><span style=\"color: #0000ff;\">removeArrangedSubview<\/span><\/strong>) \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c.<br \/>\n\u0418\u0434\u0435\u044f \u0430\u0434\u0430\u043f\u0442\u0430\u0446\u0438\u0438 \u0437\u0430\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e\u0431\u044b \u0432 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0435 \u0438\u0437 \u0441\u0442\u0440\u043e\u043a\u0438 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0441\u0442\u043e\u043b\u0431\u0435\u0446, \u0443\u0434\u0430\u043b\u0438\u0432 \u0441\u0442\u044d\u043a \u21161 \u0438 \u0440\u0430\u0441\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0432 \u0435\u0433\u043e \u043a\u043d\u043e\u043f\u043a\u0438 \u043f\u043e \u043e\u0441\u0442\u0430\u0432\u0448\u0438\u043c\u0441\u044f 5-\u0442\u0438 \u0441\u0442\u044d\u043a\u0430\u043c.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.28.32-PM.png\" rel=\"attachment wp-att-4751\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4751 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.28.32-PM.png\" alt=\"Screen Shot 2016-05-10 at 12.28.32 PM\" width=\"2480\" height=\"1318\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.28.32-PM.png 2480w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.28.32-PM-300x159.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.28.32-PM-768x408.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.28.32-PM-1024x544.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.28.32-PM-500x266.png 500w\" sizes=\"auto, (max-width: 2480px) 100vw, 2480px\" \/><\/a><\/p>\n<p>\u0412 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u0443 \u043d\u0430\u0441 \u043f\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043b\u0438\u0448\u043d\u044f\u044f \u043a\u043d\u043e\u043f\u043a\u0430, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043c\u044b \u0440\u0430\u0437\u043c\u0435\u0441\u0442\u0438\u043c \u0432 \u043f\u0440\u0430\u0432\u043e\u043c \u0432\u0435\u0440\u0445\u043d\u0435\u043c \u0443\u0433\u043b\u0443 \u043f\u043e\u043b\u043d\u043e\u0433\u043e \u0441\u0442\u044d\u043a\u0430 \u043a\u043d\u043e\u043f\u043e\u043a.<br \/>\n\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u0441\u0442\u044d\u043a\u043e\u0432 \u0438 \u043a\u043d\u043e\u043f\u043e\u043a-\u0443\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u043e\u0432 \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 <strong>outlets<\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.48.51-PM.png\" rel=\"attachment wp-att-4753\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4753 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.48.51-PM.png\" alt=\"Screen Shot 2016-05-10 at 12.48.51 PM\" width=\"1110\" height=\"362\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.48.51-PM.png 1110w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.48.51-PM-300x98.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.48.51-PM-768x250.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.48.51-PM-1024x334.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.48.51-PM-500x163.png 500w\" sizes=\"auto, (max-width: 1110px) 100vw, 1110px\" \/><\/a><\/p>\n<p>\u0421 \u043f\u043e\u043c\u043e\u0449\u044c\u044e <strong><span style=\"color: #0000ff;\">lazy<\/span><\/strong> \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440\u0430 \u043a\u043b\u0430\u0441\u0441\u0430 \u043f\u043e\u043b\u0443\u0447\u0438\u043c \u043f\u0443\u0441\u0442\u0443\u044e \u043a\u043d\u043e\u043f\u043a\u0443 <strong><span style=\"color: #0000ff;\">buttonBlank<\/span><\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.49.15-PM.png\" rel=\"attachment wp-att-4754\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4754 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.49.15-PM.png\" alt=\"Screen Shot 2016-05-10 at 12.49.15 PM\" width=\"1104\" height=\"190\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.49.15-PM.png 1104w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.49.15-PM-300x52.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.49.15-PM-768x132.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.49.15-PM-1024x176.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.49.15-PM-500x86.png 500w\" sizes=\"auto, (max-width: 1104px) 100vw, 1104px\" \/><\/a><\/p>\n<p>\u0411\u0443\u0434\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u043c\u0435\u0442\u043e\u0434 <strong><span style=\"color: #0000ff;\">willTransitionToTraitCollection<\/span><\/strong> <strong>View<\/strong> <strong>Controller<\/strong> \u0434\u043b\u044f \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f .<strong><span style=\"color: #0000ff;\">\u0421ompact<\/span><\/strong> \u0432\u044b\u0441\u043e\u0442\u044b.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.57.18-PM.png\" rel=\"attachment wp-att-4755\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4755 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.57.18-PM.png\" alt=\"Screen Shot 2016-05-10 at 12.57.18 PM\" width=\"1286\" height=\"198\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.57.18-PM.png 1286w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.57.18-PM-300x46.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.57.18-PM-768x118.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.57.18-PM-1024x158.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.57.18-PM-500x77.png 500w\" sizes=\"auto, (max-width: 1286px) 100vw, 1286px\" \/><\/a><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.59.47-PM.png\" rel=\"attachment wp-att-4757\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4757 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.59.47-PM.png\" alt=\"Screen Shot 2016-05-10 at 12.59.47 PM\" width=\"1318\" height=\"512\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.59.47-PM.png 1318w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.59.47-PM-300x117.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.59.47-PM-768x298.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.59.47-PM-1024x398.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-12.59.47-PM-500x194.png 500w\" sizes=\"auto, (max-width: 1318px) 100vw, 1318px\" \/><\/a><\/p>\n<p>\u041c\u0435\u0442\u043e\u0434 <strong><span style=\"color: #0000ff;\">configureView<\/span><\/strong> \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043c\u0435\u0442\u043e\u0434\u044b \u043a\u043b\u0430\u0441\u0441\u0430 <strong><span style=\"color: #0000ff;\">UIStackView<\/span><\/strong>\u00a0<strong><span style=\"color: #0000ff;\">addArrangedSubview<\/span><\/strong>\u00a0\u0438\u00a0<strong><span style=\"color: #0000ff;\">removeArrangedSubview<\/span><\/strong>. \u0422\u0435\u043f\u0435\u0440\u044c \u043d\u0430\u0448 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u043f\u043e-\u0440\u0430\u0437\u043d\u043e\u043c\u0443 \u0432 \u043f\u043e\u0440\u0442\u0440\u0435\u0442\u043d\u043e\u043c \u0438 \u043b\u0430\u043d\u0434\u0448\u0430\u0444\u0442\u043d\u043e\u043c \u0440\u0435\u0436\u0438\u043c\u0430\u0445.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-1.27.49-PM.png\" rel=\"attachment wp-att-4758\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4758 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-1.27.49-PM.png\" alt=\"Screen Shot 2016-05-10 at 1.27.49 PM\" width=\"1822\" height=\"1162\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-1.27.49-PM.png 1822w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-1.27.49-PM-300x191.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-1.27.49-PM-768x490.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-1.27.49-PM-1024x653.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-10-at-1.27.49-PM-470x300.png 470w\" sizes=\"auto, (max-width: 1822px) 100vw, 1822px\" \/><\/a><\/p>\n<p>\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorAdaptiveInterface\">\u00a0Github<\/a><\/strong><strong>\u00a0<\/strong>\u0434\u043b\u044f<strong>\u00a0Xcode 7<\/strong>\u00a0\u0438<strong>\u00a0Swift 2.2<\/strong>.\u00a0\u0415\u0441\u043b\u0438 \u0432\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0438\u00a0<strong>Xcode 8<\/strong>, \u0442\u043e \u0434\u043b\u044f\u00a0<strong>Swift 2.3<\/strong>\u00a0\u043a\u043e\u0434\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f\u00a0\u043d\u0430\u00a0<a href=\"https:\/\/github.com\/BestKora\/Swift-2.3-Solution-Spring-2016\"><strong>Github<\/strong><\/a>, \u0430 \u0434\u043b\u044f\u00a0<strong>Swift 3<\/strong>\u00a0&#8212;\u00a0\u0442\u0430\u043a\u0436\u0435 \u043d\u0430<a href=\"https:\/\/github.com\/BestKora\/Swift-3-Solution-Spring-2016\">\u00a0<strong>Github<\/strong><\/a>.<\/p>\n<h2>\u0414\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435. \u041e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 Action \u0434\u043b\u044f \u043a\u043d\u043e\u043f\u043a\u0438 \u0421.<\/h2>\n<p>\u0412 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u043c \u043f\u0443\u043d\u043a\u0442\u0435 2 \u044d\u0442\u043e\u0433\u043e \u0417\u0430\u0434\u0430\u043d\u0438\u044f \u043c\u044b \u0441\u0434\u0435\u043b\u0430\u043b\u0438 \u0432 \u043d\u0430\u0448\u0435\u043c <strong><span style=\"color: #0000ff;\">ViewController<\/span><\/strong> \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u0443\u044e<strong><span style=\"color: #0000ff;\"> displayValue Double?<\/span><\/strong>, \u0442\u043e \u0435\u0441\u0442\u044c <strong><span style=\"color: #0000ff;\">Optional &lt;Double&gt;<\/span><\/strong>. \u041f\u0440\u0438\u0447\u0435\u043c, \u0435\u0441\u043b\u0438 \u043c\u044b \u0435\u0439 \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 <strong><span style=\"color: #0000ff;\">nil<\/span><\/strong>, \u0442\u043e \u0434\u0438\u0441\u043f\u043b\u0435\u0439 \u043e\u0447\u0438\u0449\u0430\u0435\u0442\u0441\u044f, \u043c\u0435\u0442\u043a\u0430 <strong><span style=\"color: #0000ff;\">history<\/span><\/strong> \u043e\u0447\u0438\u0449\u0430\u0435\u0442\u0441\u044f, \u0442\u043e \u0435\u0441\u0442\u044c UI \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0432 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u0431\u044b\u043b\u043e \u043f\u0440\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. \u0423 \u043d\u0430\u0441 \u0435\u0441\u0442\u044c \u043a\u043d\u043e\u043f\u043a\u0430 &#171;<strong>\u0421<\/strong>&#171;, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043e\u0442\u043d\u0435\u0441\u0435\u043d\u0430 \u0432 \u0440\u0430\u0437\u0440\u044f\u0434 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0438 \u043d\u0435 \u043c\u043e\u0436\u0435\u0442 \u0432\u043e\u0437\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u043d\u0430 UI, \u0447\u0442\u043e \u043d\u0435\u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e.<\/p>\n<p>\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u0434\u043b\u044f \u043a\u043d\u043e\u043f\u043a\u0438\u00a0&#171;<strong>\u0421<\/strong>&#187; \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0439 <strong>Action<\/strong> \u0432 \u043a\u043b\u0430\u0441\u0441\u0435\u00a0\u00a0<strong><span style=\"color: #0000ff;\">ViewController<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043c\u044b \u0434\u043e\u043b\u0436\u043d\u044b \u0443\u0431\u0440\u0430\u0442\u044c &#171;<strong>\u0421<\/strong>&#187; \u0438\u0437 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439. \u0412\u043d\u0430\u0447\u0430\u043b\u0435 \u043e\u0442\u0441\u043e\u0435\u0434\u0438\u043d\u0438\u043c \u0435\u0435 \u043e\u0442 \u043c\u0435\u0442\u043e\u0434\u0430 <strong><span style=\"color: #0000ff;\">performOperation:<\/span><\/strong>.<\/span><\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.21.16-PM.png\" rel=\"attachment wp-att-4785\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4785 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.21.16-PM.png\" alt=\"Screen Shot 2016-05-17 at 7.21.16 PM\" width=\"1314\" height=\"1204\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.21.16-PM.png 1314w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.21.16-PM-300x275.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.21.16-PM-768x704.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.21.16-PM-1024x938.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.21.16-PM-327x300.png 327w\" sizes=\"auto, (max-width: 1314px) 100vw, 1314px\" \/><\/a><\/p>\n<p>\u0423\u0431\u0438\u0440\u0430\u0435\u043c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044e <strong>\u0421<\/strong> \u0438\u0437 \u043a\u043b\u0430\u0441\u0441\u0430 <strong><span style=\"color: #0000ff;\">Cal\u0441ulatorBrain<\/span><\/strong> \u0438 \u0434\u0435\u043b\u0430\u0435\u043c \u043c\u0435\u0442\u043e\u0434<strong><span style=\"color: #0000ff;\"> clear()<\/span> public<\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.28.18-PM.png\" rel=\"attachment wp-att-4786\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4786 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.28.18-PM.png\" alt=\"Screen Shot 2016-05-17 at 7.28.18 PM\" width=\"1134\" height=\"622\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.28.18-PM.png 1134w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.28.18-PM-300x165.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.28.18-PM-768x421.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.28.18-PM-1024x562.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.28.18-PM-500x274.png 500w\" sizes=\"auto, (max-width: 1134px) 100vw, 1134px\" \/><\/a><\/p>\n<p>. . . . . . . . . . . . . . . . . .<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.30.18-PM.png\" rel=\"attachment wp-att-4787\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4787 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.30.18-PM.png\" alt=\"Screen Shot 2016-05-17 at 7.30.18 PM\" width=\"1166\" height=\"242\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.30.18-PM.png 1166w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.30.18-PM-300x62.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.30.18-PM-768x159.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.30.18-PM-1024x213.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.30.18-PM-500x104.png 500w\" sizes=\"auto, (max-width: 1166px) 100vw, 1166px\" \/><\/a><\/p>\n<p>. . . . . . . . . . . . . . . . . .<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.31.58-PM.png\" rel=\"attachment wp-att-4788\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4788 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.31.58-PM.png\" alt=\"Screen Shot 2016-05-17 at 7.31.58 PM\" width=\"1480\" height=\"738\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.31.58-PM.png 1480w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.31.58-PM-300x150.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.31.58-PM-768x383.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.31.58-PM-1024x511.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.31.58-PM-500x249.png 500w\" sizes=\"auto, (max-width: 1480px) 100vw, 1480px\" \/><\/a><\/p>\n<p>. . . . . . . . . . . . . . . . . .<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.35.29-PM.png\" rel=\"attachment wp-att-4789\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4789 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.35.29-PM.png\" alt=\"Screen Shot 2016-05-17 at 7.35.29 PM\" width=\"1318\" height=\"176\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.35.29-PM.png 1318w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.35.29-PM-300x40.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.35.29-PM-768x103.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.35.29-PM-1024x137.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.35.29-PM-500x67.png 500w\" sizes=\"auto, (max-width: 1318px) 100vw, 1318px\" \/><\/a><\/p>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e <strong>CTRL<\/strong>-\u043f\u0435\u0440\u0435\u0442\u044f\u0433\u0438\u0432\u0430\u043d\u0438\u044f \u0441\u0434\u0435\u043b\u0430\u0435\u043c <strong>Action <span style=\"color: #0000ff;\">clearAll(sender: UIButton)<\/span><\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.38.58-PM.png\" rel=\"attachment wp-att-4790\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4790 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.38.58-PM.png\" alt=\"Screen Shot 2016-05-17 at 7.38.58 PM\" width=\"1932\" height=\"446\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.38.58-PM.png 1932w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.38.58-PM-300x69.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.38.58-PM-768x177.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.38.58-PM-1024x236.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.38.58-PM-500x115.png 500w\" sizes=\"auto, (max-width: 1932px) 100vw, 1932px\" \/><\/a><\/p>\n<p>\u0412<strong><span style=\"color: #0000ff;\"> clearAll<\/span><\/strong> \u0432\u044b\u0437\u043e\u0432\u0435\u043c <strong><span style=\"color: #0000ff;\">clear()<\/span> <\/strong>\u0434\u043b\u044f <strong><span style=\"color: #0000ff;\">brain<\/span><\/strong> \u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043c <strong><span style=\"color: #0000ff;\">displayValue<\/span><\/strong> \u0432 <strong><span style=\"color: #0000ff;\">nil<\/span><\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.45.21-PM.png\" rel=\"attachment wp-att-4791\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4791 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.45.21-PM.png\" alt=\"Screen Shot 2016-05-17 at 7.45.21 PM\" width=\"1090\" height=\"128\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.45.21-PM.png 1090w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.45.21-PM-300x35.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.45.21-PM-768x90.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.45.21-PM-1024x120.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-7.45.21-PM-500x59.png 500w\" sizes=\"auto, (max-width: 1090px) 100vw, 1090px\" \/><\/a><\/p>\n<p>\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorC\"> Github<\/a><\/strong><strong>\u00a0<\/strong>\u0434\u043b\u044f<strong>\u00a0Xcode 7<\/strong>\u00a0\u0438<strong>\u00a0Swift 2.2<\/strong>.\u00a0\u0415\u0441\u043b\u0438 \u0432\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0438\u00a0<strong>Xcode 8<\/strong>, \u0442\u043e \u0434\u043b\u044f\u00a0<strong>Swift 2.3<\/strong>\u00a0\u043a\u043e\u0434\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f\u00a0\u043d\u0430\u00a0<a href=\"https:\/\/github.com\/BestKora\/Swift-2.3-Solution-Spring-2016\"><strong>Github<\/strong><\/a>, \u0430 \u0434\u043b\u044f\u00a0<strong>Swift 3<\/strong>\u00a0&#8212;\u00a0\u0442\u0430\u043a\u0436\u0435 \u043d\u0430<a href=\"https:\/\/github.com\/BestKora\/Swift-3-Solution-Spring-2016\">\u00a0<strong>Github<\/strong><\/a>.<\/p>\n<h2>\u0414\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435.\u00a0\u041a\u043e\u0434 \u0434\u043b\u044f &#171;\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u0443\u0435\u043c\u043e\u0433\u043e \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430&#187; (\u0414\u0435\u043c\u043e \u0438\u0437 \u041b\u0435\u043a\u0446\u0438\u0438 3)<\/h2>\n<p>\u041f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440 \u043f\u0440\u043e\u0441\u0438\u043b \u0432\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u043a\u043e\u0434 \u0434\u043b\u044f \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u0440\u0430 \u0438\u0437 \u041b\u0435\u043a\u0446\u0438\u0438 3 \u0432 \u043a\u043e\u0434 \u0417\u0430\u0434\u0430\u043d\u0438\u044f 1.<br \/>\n\u041a\u043e\u0434 \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d \u0432 \u043a\u043b\u0430\u0441\u0441\u0435 <strong><span style=\"color: #0000ff;\">CalculatorBrain<\/span><\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.40.35-PM.png\" rel=\"attachment wp-att-4792\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4792 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.40.35-PM.png\" alt=\"Screen Shot 2016-05-17 at 8.40.35 PM\" width=\"1080\" height=\"78\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.40.35-PM.png 1080w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.40.35-PM-300x22.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.40.35-PM-768x55.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.40.35-PM-1024x74.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.40.35-PM-500x36.png 500w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/a><\/p>\n<p>. . . . . . . . . . . . . . . . . .<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.47.29-PM.png\" rel=\"attachment wp-att-4793\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4793 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.47.29-PM.png\" alt=\"Screen Shot 2016-05-17 at 8.47.29 PM\" width=\"1096\" height=\"148\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.47.29-PM.png 1096w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.47.29-PM-300x41.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.47.29-PM-768x104.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.47.29-PM-1024x138.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.47.29-PM-500x68.png 500w\" sizes=\"auto, (max-width: 1096px) 100vw, 1096px\" \/><\/a><\/p>\n<p>. . . . . . . . . . . . . . . . . .<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.49.25-PM.png\" rel=\"attachment wp-att-4795\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4795 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.49.25-PM.png\" alt=\"Screen Shot 2016-05-17 at 8.49.25 PM\" width=\"1062\" height=\"196\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.49.25-PM.png 1062w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.49.25-PM-300x55.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.49.25-PM-768x142.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.49.25-PM-1024x189.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.49.25-PM-500x92.png 500w\" sizes=\"auto, (max-width: 1062px) 100vw, 1062px\" \/><\/a><\/p>\n<p>. . . . . . . . . . . . . . . . . .<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.55.14-PM.png\" rel=\"attachment wp-att-4796\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4796 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.55.14-PM.png\" alt=\"Screen Shot 2016-05-17 at 8.55.14 PM\" width=\"1154\" height=\"512\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.55.14-PM.png 1154w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.55.14-PM-300x133.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.55.14-PM-768x341.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.55.14-PM-1024x454.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-8.55.14-PM-500x222.png 500w\" sizes=\"auto, (max-width: 1154px) 100vw, 1154px\" \/><\/a><\/p>\n<p>\u041d\u0430 \u043d\u0430\u0448\u0435\u043c \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0435 \u0432 \u043d\u0430\u0441\u0442\u043e\u044f\u0449\u0438\u0439 \u043c\u043e\u043c\u0435\u043d\u0442 \u0435\u0441\u0442\u044c \u0434\u0432\u0435 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u044b\u0435 \u043a\u043d\u043e\u043f\u043a\u0438: &#171;<strong>\u2192M<\/strong>&#187; \u0438 &#171;<strong>M<\/strong>&#171;, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043c\u044b \u0437\u0430\u0440\u0430\u043d\u0435\u0435 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u0438\u043b\u0438 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u043c\u0438 \u0432 \u0417\u0430\u0434\u0430\u043d\u0438\u0438 2. \u0412 \u044d\u0442\u043e\u043c \u0437\u0430\u0434\u0430\u043d\u0438\u0438 \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0438\u0445 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u0434\u043b\u044f \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u044b \u043a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440\u0430. \u041a\u043d\u043e\u043f\u043a\u0430\u00a0\u00a0&#171;<strong>\u2192M<\/strong>&#187; \u0431\u0443\u0434\u0435\u0442 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u043e\u0432\u0430\u0442\u044c \u043a\u043d\u043e\u043f\u043a\u0435 &#171;<strong>save<\/strong>&#187; \u0432 \u041b\u0435\u043a\u0446\u0438\u0438 3, \u0430 \u043a\u043d\u043e\u043f\u043a\u0430\u00a0&#171;<strong>M<\/strong>&#187; &#8212;\u00a0\u00a0\u043a\u043d\u043e\u043f\u043a\u0435 &#171;<b>restore<\/b>&#171;.<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-9.04.31-PM.png\" rel=\"attachment wp-att-4797\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4797 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-9.04.31-PM.png\" alt=\"Screen Shot 2016-05-17 at 9.04.31 PM\" width=\"1076\" height=\"388\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-9.04.31-PM.png 1076w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-9.04.31-PM-300x108.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-9.04.31-PM-768x277.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-9.04.31-PM-1024x369.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-17-at-9.04.31-PM-500x180.png 500w\" sizes=\"auto, (max-width: 1076px) 100vw, 1076px\" \/><\/a><\/p>\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u043c\u043e\u0436\u043d\u043e \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u0442\u044c \u0432\u0441\u0435 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440 \u043f\u0440\u043e\u0432\u043e\u0434\u0438\u043b \u043d\u0430 \u041b\u0435\u043a\u0446\u0438\u0438 3.<br \/>\n\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430 <strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/CalculatorProgram\">Github<\/a><\/strong>.<\/p>\n<h2>\u0414\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435. \u0421\u0438\u043d\u0433\u043b\u0442\u043e\u043d NSNumberFormatter c \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u043e\u0439 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u0430 \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f.<\/h2>\n<p>\u041a\u0430\u043a \u0443\u0436\u0435 \u043e\u0442\u043c\u0435\u0447\u0430\u043b\u043e\u0441\u044c \u0432\u044b\u0448\u0435<span style=\"text-decoration: underline;\"> \u044d\u043a\u0437\u0435\u043c\u043f\u043b\u044f\u0440<\/span> \u043a\u043b\u0430\u0441\u0441\u0430 <strong><span style=\"color: #0000ff;\">NSNumberFormatter<\/span><\/strong> \u043d\u0443\u0436\u0435\u043d \u0438 \u0432 <strong><span style=\"color: #0000ff;\">CalculatorBrain<\/span><\/strong> (\u043d\u0443\u0436\u043d\u043e \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u044b\u0432\u0430\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u043d\u0434\u044b \u0438\u0437 <strong><span style=\"color: #0000ff;\">Double<\/span><\/strong> \u0432 <strong><span style=\"color: #0000ff;\">String<\/span><\/strong> \u00a0\u0438 \u0440\u0430\u0437\u043c\u0435\u0449\u0430\u0442\u044c \u0438\u0445 \u0432 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0438 <strong><span style=\"color: #0000ff;\">description<\/span><\/strong>), \u0438 \u0432 <strong><span style=\"color: #0000ff;\">ViewController<\/span><\/strong> (\u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f <strong><span style=\"color: #0000ff;\">displayValue<\/span><\/strong>).<\/p>\n<p class=\"separator\">\u041f\u043e\u044d\u0442\u043e\u043c\u0443 \u0441\u043e\u0437\u0434\u0430\u0435\u043c \u0433\u043b\u043e\u0431\u0430\u043b\u044c\u043d\u0443\u044e \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u0443 <strong><span style=\"color: #0000ff;\">formatter<\/span><\/strong>\u00a0\u0432\u0441\u0435 \u0440\u0430\u0432\u043d\u043e \u0432 \u043a\u0430\u043a\u043e\u043c \u0444\u0430\u0439\u043b\u0435, \u0442\u0430\u043a \u043a\u0430\u043a \u043e\u043d\u0430 \u043d\u0435 \u0441\u0432\u044f\u0437\u0430\u043d\u0430 \u043d\u0438 \u0441 \u043a\u0430\u043a\u0438\u043c \u043a\u043b\u0430\u0441\u0441\u043e\u043c \u0438 \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u0442\u044c \u0435\u0435 \u043c\u044b \u0431\u0443\u0434\u0435\u043c \u043e\u0447\u0435\u043d\u044c \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u044b\u043c \u0441\u043f\u043e\u0441\u043e\u0431\u043e\u043c &#8212; \u043f\u0443\u0442\u0435\u043c \u0437\u0430\u0434\u0430\u043d\u0438\u044f \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u0435 \u0438\u043b\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u043f\u0443\u0442\u0435\u043c \u043c\u0433\u043d\u043e\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f. \u0412\u00a0\u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0435<strong> <a href=\"https:\/\/itunes.apple.com\/de\/book\/swift-programming-language\/id881256329?l=en&amp;mt=11\">\u201cThe Swift Programming Language.\u201d<\/a><\/strong> \u00a0\u043d\u0443\u0436\u043d\u043e \u0438\u0441\u043a\u0430\u0442\u044c \u0440\u0430\u0437\u0434\u0435\u043b &#171;<strong>Setting a Default Property Value with a Closure or Function<\/strong>&#171;. \u0423\u043a\u0430\u0437\u0430\u043d\u0438\u0435 \u043d\u0430 \u044d\u0442\u043e\u0442 \u0440\u0430\u0437\u0434\u0435\u043b \u0435\u0441\u0442\u044c \u0438 \u0432 \u0417\u0430\u0434\u0430\u043d\u0438\u0438 \u043d\u0430 \u0447\u0442\u0435\u043d\u0438\u0435 2.<\/p>\n<p class=\"separator\">\u0412\u043e\u0442 \u043a\u0430\u043a \u044d\u0442\u043e \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-3.13.32-PM.png\" rel=\"attachment wp-att-4826\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4826 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-3.13.32-PM.png\" alt=\"Screen Shot 2016-05-26 at 3.13.32 PM\" width=\"1090\" height=\"288\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-3.13.32-PM.png 1090w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-3.13.32-PM-300x79.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-3.13.32-PM-768x203.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-3.13.32-PM-1024x271.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-3.13.32-PM-500x132.png 500w\" sizes=\"auto, (max-width: 1090px) 100vw, 1090px\" \/><\/a><\/p>\n<p>\u041e\u0431\u0440\u0430\u0442\u0438\u0442\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u043d\u0430 \u043a\u0440\u0443\u0433\u043b\u044b\u0435 \u0441\u043a\u043e\u0431\u043a\u0438 \u0432 \u043a\u043e\u043d\u0446\u0435. \u042d\u0442\u043e \u0438 \u0435\u0441\u0442\u044c \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 (\u0438\u043b\u0438 \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u044b) \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043c\u0433\u043d\u043e\u0432\u0435\u043d\u043d\u043e\u0433\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0437\u0430\u043c\u044b\u043a\u0430\u043d\u0438\u044f, \u043e\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u043e\u0434\u0438\u043d \u0440\u0430\u0437 \u043f\u0440\u0438 \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0438\u043b\u0438 \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u044b. \u042d\u0442\u043e \u043e\u0447\u0435\u043d\u044c \u043a\u0440\u0443\u0442\u0430\u044f \u0432\u0435\u0449\u044c \u0438 \u043e \u043d\u0435\u0439 \u0441\u0442\u043e\u0438\u0442 \u043f\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u0432 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u0435 \u043f\u043e <strong>Swift<\/strong>.<br \/>\n\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0442\u0430\u043a\u043e\u0433\u043e\u00a0<strong><span style=\"color: #0000ff;\">formatter<\/span><\/strong>\u00a0\u043d\u0435 \u043f\u043e\u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u044f \u043a\u043b\u0430\u0441\u0441\u0430 \u043d\u0438 \u0432 <strong><span style=\"color: #0000ff;\">displayValue<\/span><\/strong><span style=\"color: #0000ff;\"><span style=\"color: #000000;\">:<\/span><\/span><\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.18.03-PM.png\" rel=\"attachment wp-att-4828\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4828 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.18.03-PM.png\" alt=\"Screen Shot 2016-05-26 at 5.18.03 PM\" width=\"1126\" height=\"508\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.18.03-PM.png 1126w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.18.03-PM-300x135.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.18.03-PM-768x346.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.18.03-PM-1024x462.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.18.03-PM-500x226.png 500w\" sizes=\"auto, (max-width: 1126px) 100vw, 1126px\" \/><\/a><\/p>\n<p>\u043d\u0438 \u0432 <strong><span style=\"color: #0000ff;\">setOperand<\/span><\/strong>:<\/p>\n<p><a href=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.20.24-PM.png\" rel=\"attachment wp-att-4829\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-4829 size-full\" src=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.20.24-PM.png\" alt=\"Screen Shot 2016-05-26 at 5.20.24 PM\" width=\"1108\" height=\"154\" srcset=\"https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.20.24-PM.png 1108w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.20.24-PM-300x42.png 300w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.20.24-PM-768x107.png 768w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.20.24-PM-1024x142.png 1024w, https:\/\/bestkora.com\/IosDeveloper\/wp-content\/uploads\/2016\/05\/Screen-Shot-2016-05-26-at-5.20.24-PM-500x69.png 500w\" sizes=\"auto, (max-width: 1108px) 100vw, 1108px\" \/><\/a><\/p>\n<p>\u041a\u043e\u0434 \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043d\u0430\u00a0<strong><a href=\"https:\/\/github.com\/BestKora\/Assignment-1-2016-Calculator\/releases\/tag\/formatterClosure\">Github<\/a><\/strong><strong>\u00a0<\/strong>\u0434\u043b\u044f<strong>\u00a0Xcode 7<\/strong>\u00a0\u0438<strong>\u00a0Swift 2.2<\/strong>.\u00a0\u0415\u0441\u043b\u0438 \u0432\u044b \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u043b\u0438\u00a0<strong>Xcode 8<\/strong>, \u0442\u043e \u0434\u043b\u044f\u00a0<strong>Swift 2.3<\/strong>\u00a0\u043a\u043e\u0434\u00a0\u043d\u0430\u0445\u043e\u0434\u0438\u0442\u0441\u044f\u00a0\u043d\u0430\u00a0<a href=\"https:\/\/github.com\/BestKora\/Swift-2.3-Solution-Spring-2016\"><strong>Github<\/strong><\/a>, \u0430 \u0434\u043b\u044f\u00a0<strong>Swift 3<\/strong>\u00a0&#8212;\u00a0\u0442\u0430\u043a\u0436\u0435 \u043d\u0430<a href=\"https:\/\/github.com\/BestKora\/Swift-3-Solution-Spring-2016\">\u00a0<strong>Github<\/strong><\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0421\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u0438\u0435 \u0422\u0435\u043a\u0441\u0442 \u0414\u043e\u043c\u0430\u0448\u043d\u0435\u0433\u043e \u0437\u0430\u0434\u0430\u043d\u0438\u044f \u043d\u0430 \u0430\u043d\u0433\u043b\u0438\u0439\u0441\u043a\u043e\u043c \u044f\u0437\u044b\u043a\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043d\u0430\u00a0\u00a0iTunes \u0432 \u043f\u0443\u043d\u043a\u0442\u0435 \u201cProgramming: Project 1: Calculator\u2033.\u00a0\u041d\u0430 \u0440\u0443\u0441\u0441\u043a\u043e\u043c \u044f\u0437\u044b\u043a\u0435 \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0441\u043a\u0430\u0447\u0430\u0442\u044c \u0437\u0434\u0435\u0441\u044c: \u041d\u0430\u0447\u0438\u043d\u0430\u0435\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u0417\u0430\u0434\u0430\u043d\u0438\u0435 1 \u0441 \u043a\u043e\u0434\u0430, \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0432 \u043a\u043e\u043d\u0446\u0435 \u041b\u0435\u043a\u0446\u0438\u0438 2. \u041f\u0440\u043e\u0444\u0435\u0441\u0441\u043e\u0440 \u043d\u0430\u0441\u0442\u043e\u044f\u0442\u0435\u043b\u044c\u043d\u043e \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0443\u0435\u0442 \u043d\u0435 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043a\u043e\u0434 \u0432 \u043f\u0435\u0440\u0432\u044b\u0445 &hellip; <a href=\"https:\/\/bestkora.com\/IosDeveloper\/zadanie-1cs193p-spring-2016-kalkulyator-reshenie-obyazatelnye-punkty\/\">\u0427\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043b\u0435\u0435 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28,34,14,4],"tags":[],"class_list":["post-4677","post","type-post","status-publish","format-standard","hentry","category-ios-9","category-stanford-cs-193p-ios-9","category-swift","category-domashnee-zadanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.8 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0417\u0430\u0434\u0430\u043d\u0438\u044f 1cs193p Spring 2016 \u041a\u0430\u043b\u044c\u043a\u0443\u043b\u044f\u0442\u043e\u0440.\" \/>\n\t<meta name=\"robots\" content=\"max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n\t<meta name=\"author\" content=\"tatiana.kornilova@gmail.com\"\/>\n\t<meta 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