Explanation of the Mississippi Junior and Community College Uniform Course Numbering System.
The letter prefix identifies the subject field to which the course belongs. Example: ACC indicates the accounting field. Reading from the left side of a series of digits, the first digit designates the year (1 indicates freshman year, 2 indicates sophomore year). The second digit designates the grouping of courses. The third digit designates the sequence of the course groups. The fourth digit designates the semester credit hours awarded for the course.
ACC (1)213 - freshman (first) year ACC 1(2)13 - indicates course grouping ACC 12(2)3 - indicates the sequence (second course in a sequence) ACC 122(3) - indicates number of semester hours credit awarded (three)