VB实现Windows自带的标准型计算器-A standard calculator equiped for Windows programed by VB

此为在VB环境下编写的计算器，提供数据出错提示，比如除数为0时弹出提示，适合初学者参考。-This is in the VB environment, prepared by the calculator, an error message data, such as the divisor is 0 pop-up tips for advanced users.