The number of credits appearing on course records and registration forms may be preceded by a letter prefix as follows:
E. Course excluded from credit toward a degree. The student must complete all course work, including the final exam. Automatically assigned to undergraduate courses not prefixed by G or N.
G. A 300- or 400-level undergraduate course for which credit has been approved toward the graduate degree currently being pursued.
N. Course is taken "not-for-credit"; examination not required; final grade of S (satisfactory) or U (unsatisfactory) assigned.