Inputs
1. Solid shaft inputs
| Label | Symbol | Tooltip, note, formula | 
| Rotating shaft | ROT | Yes / No | 
| C.S. diameter | D1 | Connection side end-shaft diameter. | 
| C.S. extension | L1 | Connection side end-shaft extension. | 
| O.C.S. diameter | D2 | Opposite connection side end-shaft diameter. | 
| O.C.S. extension | L2 | Opposite connection side end-shaft extension. | 
2. Solid shaft with hollow inputs:
| Label | Symbol | Tooltip, note, formula | 
| Rotating shaft | ROT | Yes / No | 
| C.S. diameter | D1 | Connection side end-shaft diameter. | 
| C.S. extension | L1 | Connection side end-shaft extension. | 
| O.C.S. diameter | D2 | Opposite connection side end-shaft diameter. | 
| O.C.S. extension | L2 | Opposite connection side end-shaft extension. | 
| Hollow shaft diameter | D0 | Inner diameter of hollow shaft | 
3. Solid shaft with ring inputs
| Label | Symbol | Tooltip, note, formula | 
| Rotating shaft | ROT | Yes / No | 
| C.S. diameter | D1 | Connection side end-shaft diameter. | 
| C.S. extension | L1 | Connection side end-shaft extension. | 
| O.C.S. diameter | D2 | Opposite connection side end-shaft diameter. | 
| O.C.S. extension | L2 | Opposite connection side end-shaft extension. | 
| Ring thickness | THR | Ring thickness | 
4. Solid shaft with hollow and ring inputs
| Label | Symbol | Tooltip, note, formula | 
| Rotating shaft | ROT | Yes / No | 
| C.S. diameter | D1 | Connection side end-shaft diameter. | 
| C.S. extension | L1 | Connection side end-shaft extension. | 
| O.C.S. diameter | D2 | Opposite connection side end-shaft diameter. | 
| O.C.S. extension | L2 | Opposite connection side end-shaft extension. | 
| Hollow shaft diameter | D0 | Inner diameter of hollow shaft | 
| Ring thickness | THR | Ring thickness |