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Project 2 and Project 3 -- 桂义林 #125

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merged 2 commits into from
Nov 11, 2014
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Project 2 and Project 3 -- 桂义林 #125

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Create Project2
insaneyilin Nov 8, 2014
9a5b5ce
Create Project3
insaneyilin Nov 9, 2014
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22 changes: 22 additions & 0 deletions 21451088桂义林/Project2/README.md
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# iPhone开发第二次作业
======
- 作业内容：实现一个计算器
- 平台：iOS
- 编程语言：Objective-C
- 测试环境：iOS Simulator - iPhone 6 / iOS 8.0
- 实现功能说明：
- '+'：加号
- '-'：减号
- 'x'：乘号
- '/'：除号
- '%'：取余数
- '(', ')'：左、右括号
- '±'：改变结果符号
- '='：计算表达式的值
- 'AC'：清零
- 'MC'：清空内存值
- 'M+'：将显示值与内存值相加
- 'M-'：将内存值减去显示值
- 'MR'：重新调用存储在内存中的值
- 'delete'：删除表达式最后一个字符

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