Match subtraction
| Value | Reference | Precision | Status |
| 4.000000000000000e+00 | 4.000000000000000e+00 | 1.000000000000000e-04 | PASS |
Command: GREPFIELD(out, 'subtraction (-3)', 3)
| Value | Reference | Precision | Status |
| 4.000000000000000e+00 | 4.000000000000000e+00 | 1.000000000000000e-04 | PASS |