1. Every course in changchun university of science and technology will have corresponding credits, usually expressed in hours or academic performance. For example, a course with 3 credits means that the course has 3 credits.
2. Determine the GPA of each course, with excellent corresponding to GPA 4.0, good corresponding to GPA 3.0, medium corresponding to GPA 2.0, passing corresponding to GPA 1.0, and failing corresponding to GPA 0.
3. Multiply the GPA of each course by the corresponding credits to get the weighted GPA of this course. For example, a course with a GPA of 3.0 credits and a weighted GPA of 9.0.
3. Add the weighted GPA of all courses, and then divide it by the total credits of all courses to get the average GPA.