| Parameter Name | Units | Type | Default | Description | 
| L | double | 0.0 | arc length | |
| ANGLE | double | 0.0 | bend angle | |
| E1 | double | 0.0 | entrance edge angle | |
| B1 | double | 0.0 | normalized gradient (K1=B1*L/ANGLE) | |
| Q1REF | double | 0.0 | distance from septum at which bending radius is L/ANGLE | |
| FLEN | double | 0.0 | fringe field length | |
| ACCURACY | double | 0.0001 | integration accuracy | |
| METHOD | STRING | runge-kutta | integration method (runge-kutta, bulirsch-stoer, modified-midpoint, two-pass modified-midpoint, leap-frog, non-adaptive runge-kutta | |
| MODEL | STRING | linear | fringe model (hard-edge, linear, cubic-spline, tanh, quintic |