1，能按学期，年纪完成对学生成绩的录入和修改；

2，按班级统计学生成绩，求学生总分及平均分，并且按平均分进行排列；

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；-1, follow the semester, the age of student achievement to complete entry and modification　2, according to statistics class pupils, seeking total score and average score of the students, and arranged according to average　3, students can check grades, subjects and failed list of students　4, to transcr ipts of students per class output