The functionality of Calculus`DSolveIntegrals` is now available in the built-in Mathematica kernel function DSolve.

The symbolic functions in Calculus`FourierTransform` have been added to the built-in Mathematica kernel. The numerical functionality in Calculus`FourierTransform` is now ...

PadeApproximant has been added to the built-in Mathematica kernel. EconomizedRationalApproximation is now available in the newly created Function Approximations Package.

All the functionality in Calculus`VariationalMethods` is now available through the newly created Variational Methods Package.

All the functionality in Calculus`VectorAnalysis` is now available through the newly created Vector Analysis Package.

As of Version 8, much of the functionality covered by Combinatorica has been implemented in the Mathematica kernel. BooleanAlgebra CodeToLabeledTree HasseDiagram ...

CatalanNumber and Subfactorial have been added to the built-in Mathematica kernel. CatalanNumber and Subfactorial can now be evaluated numerically for noninteger arguments. ...

All the functionality in DiscreteMath`Combinatorica` is available in the newly created Combinatorica Package.

All the functionality in DiscreteMath`ComputationalGeometry` is available through the new Computational Geometry Package.

GraphPlot functionality is now available in the newly added built-in Mathematica kernel functions GraphPlot and LayeredGraphPlot. GraphPlot3D is now available as the newly ...