基于MFC的复数计算器，有加法，减法，乘法，除法，赋值，求模，求角，清除，平方，开放运算-The plural calculator, based on MFC addition, subtraction, multiplication, division, assignment, modulus, and angle, clearance, square, open operation

基于MFC 程序，本程序教你如何实现操作符重载实现编译多态，复数的加法运算，非常适合于刚入门学习MFC的同学们-Based on the MFC program, this program teaches you how to achieve operator overloading, compile polymorphism, complex addition, is very suitable for beginners to learn MFC students