| Problem sets | 10% |
| Three tests | 60% |
| Final | 30% |
Auditors are required to take at least three of the four exams (3 tests + final) and demonstrate at least a minimal knowledge of the subject. Pass/Fail students must take all three tests and the final and receive an overall passing grade. Auditors and Pass/Fail students are not required to do problem sets but may turn them in for extra credit.