PASSFAIL
| Date | Clue |
|---|---|
| 2023-07-30 | Grading option |
| 2012-12-05 | Grade option that doesn't affect one's grade point average |
| 2007-04-08 | Course option |
| 2004-04-21 | 64-Across's option for a 38-Across or a 13-, 18-, 28- or 42-Down |
| 2000-05-11 | Basic grading system |
| Date | Clue |
|---|---|
| 2023-07-30 | Grading option |
| 2012-12-05 | Grade option that doesn't affect one's grade point average |
| 2007-04-08 | Course option |
| 2004-04-21 | 64-Across's option for a 38-Across or a 13-, 18-, 28- or 42-Down |
| 2000-05-11 | Basic grading system |