学生成绩管理系统:

（1）能按学期、按班级完成对学生成绩的录入。

（2）能按班级统计学生的成绩，求学生的总分及平均分，并能根据学生的平均成绩进行排序

（3）能查询学生成绩，不及格科目及学生名单

（4）能按班级输出学生的成绩单

（5）能按学号删除学生纪录，成绩等。-Student achievement management system:

(1) according to the semester, according to class to complete the student achievement entry.

(2) according to the class statistics students　scores, and the average score of students, and according to the average score of the students to sort

(3) can query the student achievement, the not pass the course and the student list

(4) the student s report card can be output according to the class

(5) according to the results of student delete student records.

(6) the information of students, name and the scores for each course and stored in external memory files.