| Symbol | Description | Uses |
| CO | 3 |
| File | Line number | Procedure | Code |
| ./pkg/sphere/sphere.F | 401 | SHC4ZONE |
REAL DEG2RAD, CE, CO, SE, SO |
| ./pkg/sphere/sphere.F | 437 | SHC4ZONE |
CO = HS(J)-HN(J) |
| ./pkg/sphere/sphere.F | 448 | SHC4ZONE |
SHC(K+M) = SHC(K+M) + P(I2) * CO |