This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
As of Version 7.0, some of the functionality of the Splines Package is now built into the Mathematica kernel.
Splines Package
SplineFit fit a spline to a set of data
SplineFunction parametrization of the spline returned by SplineFit
Spline spline graphics object
Spline Types
Spline Options