visual c++ MFC程序 实现简单的计算器功能（+、-、*、/）运算，具有可视化界面-visual c++ MFC program realize a simple calculator function (+,-,*,/) computing with visualization interface

这是一个计算器，可视化编程，界面不是很好看，但是内容还是比较对的。-This is a calculator, visual programming, the interface was not very good looking, but the content is quite right.

C++的课程设计，实现计算器运算功能并且计算可视化-Computing capabilities to achieve the calculator and calculate Visualization