用C++编写的计算器小程序，简单、实用！有详细说明，有助于你学习C-Calculator applet, use C++ written a simple, practical! Are described in detail, to help you learn C++

一个简单的四则运算计算器。用vc++编的一个小程序。-A simple arithmetic calculator. With vc++ a series of small programs.