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。有问题可以QQ:158679138联系。用了xpmenu控件。-The original contract to buy a house that he wrote a small program, mainly to compare the matching method and the difference between the law of diminishing, relatively simple, I believe that his comrades can understand, so is the upload will come up, interested to see if . Problem can be QQ: 158679138 Contact. Used xpmenu control.