当初为了买房子签合同，自己写了个小程序，主要是为了比较等额法和递减法之间的差价，比较简单，相信战友们都能看懂，于是是upload上来了，有兴趣的看看。-first contract to buy a house that he wrote a small program is to compare the matching law and reduced the difference between the law, relatively simple, I believe his comra

普通计算器程序，自己编写，方便学习。普通计算器程序，自己编写，方便学习。

一个非常有趣的JAVA小程序-A very interesting JAVA applet

敢称,最好用的语音计算器.欢迎使用,并积极反馈bug,以助改善程序.-Dare to say, it is best to use the voice calculator