The number of credits appearing on course records and registration cards may be preceded by a letter prefix as follows:
E The course is excluded from credit toward a degree.
F The course was failed; no credit earned.
G A 300- or 400-level undergraduate course for which graduate credit has been approved.
N
A course is taken "not-for-credit," examination not required, and a
final grade of S (Satisfactory) or U (Unsatisfactory) is assigned.