计算器源代码，模仿windows自带计算器功能，涉及到界面编程，按钮控件，事件触发以及计算中的逻辑处理等多方面，是学习VC的必用的一小软件，这个是我在实习期做的经作词修改-Calculator source code, to imitate windows bring their own calculator function, related to programming interfaces, buttons, controls, event-triggered as well as the