| D02MZF | Ordinary differential equations, initial value problem, interpolation for D02M–N routines (all integration methods), natural interpolant |
| D02XJF | Ordinary differential equations, initial value problem, interpolation for D02M–N routines (BLEND and BDF methods only), natural interpolant |
| D02XKF | Ordinary differential equations, initial value problem, interpolation for D02M–N routines, C1 interpolant |
| E01AEF | Interpolating functions, polynomial interpolant, data may include derivative values, one variable |
| E01BAF | Interpolating functions, cubic spline interpolant, one variable |
| E01BFF | Interpolated values, interpolant computed by E01BEF, function only, one variable |
| E01BGF | Interpolated values, interpolant computed by E01BEF, function and first derivative, one variable |
| E01BHF | Interpolated values, interpolant computed by E01BEF, definite integral, one variable |
| E01RAF | Interpolating functions, rational interpolant, one variable |
| E01RBF | Interpolated values, evaluate rational interpolant computed by E01RAF, one variable |
| E01SBF | Interpolated values, evaluate interpolant computed by E01SAF, two variables |