C语言命令行编程源代码，需要在DOS环境下看出功能，不过是一个学习老的编程思想的好例子！-command line C programming language source code in DOS environment to see functional, but old is a learning program with the idea of a good example!

应用dos模式进行数学中的复数的计算，并在dos命令行中用图形的形式显示，内含程序-Application dos mode calculation of complex mathematics, and in the form of dos command line with the graphics display contains procedures