The unit for counting credit is the semester hour. A semester hour is defined as an hour of class work a week, or its equivalent in laboratory, pursued for one semester. Grades and Quality Credits A is reserved for performance that is definitely superior in quality.
B is for consistently good work that is above average.
C is for satisfactory performance. D is for minimal passing. F indicates failure. A failure can only be removed by repeating the course. W is withdrawal from a course.