1, course grade point (calculated according to course grade percentage system): course grade point = (course grade ÷ 10)-5, if the course grade is less than 60, the course grade point is 0; If a five-level grading system is adopted, the course scores are 4.5, 3.5, 2.5, 1.5 and 0 respectively. 2. Course credit score: course credit score = course credit score × course study score 3. Average credit: average credit = qualified course credit.