| Symbol | Description | Uses |
| nDaysLeap | number of days in a leap year. | 4 |
| File | Line number | Procedure | Code |
| ./pkg/cal/cal.h | 66 | NO PROCEDURE |
& nDaysLeap, |
| ./pkg/cal/cal.h | 86 | NO PROCEDURE |
INTEGER nDaysLeap |
| ./pkg/cal/cal_set.F | 134 | CAL_SET |
nDaysLeap = 366 |
| ./pkg/cal/cal_set.F | 173 | CAL_SET |
nDaysLeap = 360 |