| Symbol | Description | Uses |
| atan | 13 |
| File | Line number | Procedure | Code |
| ./pkg/exf/exf_bulkformulae.F | 395 | EXF_BULKFORMULAE |
& (exf_one + xsq)/8.) - exf_two*atan(x) + |
| ./model/src/calc_diffusivity.F | 60 | CALC_DIFFUSIVITY |
& *( atan( -( rF(k)-diffKrBL79Ho )/diffKrBL79scl )/PI+0.5 _d 0) |