| C02AKF
| All zeros of real cubic equation |
| C02AMF
| All zeros of complex cubic equation |
| E01BAF
| Interpolating functions, cubic spline interpolant, one variable |
| E01BEF
| Interpolating functions, monotonicity-preserving, piecewise cubic Hermite, one variable |
| E02BAF
| Least squares curve cubic spline fit (including interpolation) |
| E02BBF
| Evaluation of fitted cubic spline, function only |
| E02BCF
| Evaluation of fitted cubic spline, function and derivatives |
| E02BDF
| Evaluation of fitted cubic spline, definite integral |
| E02BEF
| Least squares cubic spline curve fit, automatic knot placement |
| E02BFF
| Evaluation of fitted cubic spline, function and optionally derivatives at a vector of points |
| G10ABF
| Fit cubic smoothing spline, smoothing parameter given |
| G10ACF
| Fit cubic smoothing spline, smoothing parameter estimated |