用VB设计简单的计算器,可以实现计算器的各种功能，简单方便，源程序和全文都有。-VB is designed to be simple to use calculator, calculator can be a variety of features, simplicity and convenience, and the full text of every source.

用VB开发的小型计算器。功能全面。代码简单易懂。-VB-small calculator. Full-featured. Code easy to understand.