Introduction - If you have any usage issues, please Google them yourself
(1) Each record consists of a student' s student number, name, three scores, grade point average. (2) input: can be a complete record of myriad inputs. (3) display: the completion of all student records show. (4) search function: search by name complete student records, and displays. (5) sorting: sort by student grade point average (high to low). (6) insertion: insert an average performance level of student records. (7) saving features: student records will be kept in any custom files, such as the preservation: d: \ student.txt. (8) read function: the preservation of student records in a file read out. (9) has a clear and beautiful interface to call various functions