这个一个用java编写的计算器程序，改程序能实现基本的四则运算-The one with the calculator program written in java, changing procedures to achieve the basic four operations

计算器的java原程序，可以实现常规的数字计算功能，机构简单易学-Calculator java original program, you can achieve conventional digital computing functions are simple to learn

这个是用Java编写的实现计算器功能的小程序，我充分考虑到了实际运用中国计算器的功能，测试性能良好-This is written in Java applet calculator function, I give full consideration to the practical application of calculator function test performance