| E01AEF | Interpolating functions, polynomial interpolant, data may include derivative values, one variable |
| E01BAF | Interpolating functions, cubic spline interpolant, one variable |
| E01BEF | Interpolating functions, monotonicity-preserving, piecewise cubic Hermite, one variable |
| E01DAF | Interpolating functions, fitting bicubic spline, data on rectangular grid |
| E01RAF | Interpolating functions, rational interpolant, one variable |
| E01SAF | Interpolating functions, method of Renka and Cline, two variables |
| E01SGF | Interpolating functions, modified Shepard's method, two variables |