资 源 简 介
计算器
设计内容
设计要求
总体设计
具体设计
运行效果与程序发布
主类 ComputerPad
数值按钮NumberButton
运算符号按钮OperationButton
-Calculator design content design design specific design requirements and procedures to run effect of the main types of release button ComputerPad numerical computing NumberButton button symbols OperationButton