本程序是一个光碟租借管理程序，可以实现增加一条光碟记录，以及出租，还回等记录的修改等，并将记录保存为文件-This procedure is a CD on loan management process, you can add a CD-ROM Record implementation, as well as rentals, but also to record the changes, etc., etc., and record keeping to document

自己开发的贷款计算机，支持等额本金和等额本息计算方式。-Loan Calculator own development, support equal principal and principal and interest equal calculations.