BP算法的VB源代码可能还要自己调试一下！-BP algorithm VB source code may have its own debugging!

自己用VB写的逆波兰表达式算法，包括中缀表达式转换到后缀表达式，后缀表达式的计算，在模块reversePoland.bas中，都已经写成了函数。-This code source written with visual basic is a realization of reversepoland algorithm.The transformation to suffix expression is expected in the file reversePoland.bas. In addt

该源代码演示了如何用vb语言编写上位机软件，实现和usb 5953数据采集卡的通讯，并实现计时器功能-The source code demonstrates how to write PC software using vb language, implementation and communication usb 5953 data acquisition card and realize timer function