基于MFC的科学计算器，基本实现XP自带科学计算器的功能，另外增加了一次性计算表达式的能力。-a science calculator based on MFC, which has realized the basic functions in calculator in win-XP. what s more, it adds a new function that allowed

MFC代码，用于计算校验码。主要的功能是向初学者提供MFC中消息映射的实用以及字符串处理的过程。用vs2010开发，且使用静态编译，编译结果可以脱离MFC的框架库运行。-MFC code, used to calculate the checksum. The main function is to provide practical and string handling process in the MFC message map to beginners. With vs2010 deve