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.

GUI界面间数据的实时传递，程序运行方便易懂，界面可视化操作-Real-time data transfer between the GUI interface, the program runs easy to understand interface, visualization

idl使用界面编辑实现界面的简单可视化，包括打开（JPEG、Bmp、tiff等格式）、保存、退出、KL、图像增强（罗伯特、索伯尔变换）、边缘提取、直方图均衡化、对比度增强、波段运算等功能-IDL interface editing interface simple visualization, including open format (JPEG, BMP, tiff, etc.), save and exit, KL, image enhancement (Robert, Sobel tra