一个有算术运算及清除功能的菜单，从键盘上输入两个数，利用菜单命令求出它们的和、差、乘积和商-an arithmetic operation and removal functions of the menu, keyboard input from the two few, the use menu commands and get them, and poor, and the commercial product

MFC Image processing tool using spatial filtering, Arithmetic operation, histogram,etc