Grades are computed on a 4.5 basis (A+ = 4.5, A = 4.0, A- = 3.75, B+ = 3.5, B = 3.0, B- = 2.75, C+ = 2.5, C = 2.0, C- = 1.75, D+ = 1.5, D = 1.0, D- = .75 and F = 0). Weighted courses with a grade of C or better receive one half additional quality point. The following courses are weighted: