The GPA is calculated according to how many points you got in the final exam and how many points the teacher gave you, which generally shows a decreasing trend step by step.

For example, your grade is A on 90- 100, and it is 4.0 after conversion.

After switching from 85-89 to A- credit, your grade is 3.7.

Your grade is 3.3 after the conversion of B+ credits in 82-84.

Your grade was rated as B at 78-8 1, and your grade point is 3.0 after conversion.

After 75-77 is converted into a B- credit grade point, your grade is 2.7.

Your grade is C+ of 7 1-74, which translates to 2.3.

After converting 66-70 into C credits, your score is 2.0.

After converting 62-65 into C- credit grade point, your grade is 1.7.

Your grade was rated as D at 60-6 1, and your grade point is 1.3 after conversion.