Remedial precollege-level courses.

Lower division courses intended for undergraduate credit only.

The first digit indicates the general level of the courses:

      1 for a first-year course, 2 for a second-year course.

Upper division courses carrying undergraduate credit only.

The first digit indicates the general level of course:

      3 for a third-year course, 4 for a fourth-year course.

Courses that carry graduate credit only in a major field other than that of the department offering the course.