一些大学生PD实验的代码和设计。是一个学生信息管理系统，可以输入学生信息数据。以及求水仙花数，求素数之类的小程序-Some college PD code and design of experiments. Is a student information management system, students can enter data. And for a few daffodils, and prime numbers, such as applet

PB+SQL程序开发的学生成绩信息管理系统 -PB+ SQL procedures for the development of student performance information management system