As of Version 7.0, FourierCosCoefficient is part of the built-in Mathematica kernel.
As of Version 7.0, FourierSinCoefficient is part of the built-in Mathematica kernel.
As of Version 7.0, InverseDTFourierTransform has been renamed to InverseFourierSequenceTransform and is part of the built-in Mathematica kernel.
As of Version 8, MultinomialDistribution is part of the built-in Mathematica kernel.
As of Version 8, NegativeMultinomialDistribution is part of the built-in Mathematica kernel.
As of Version 6.0, RasterArray has been superseded by new capabilities in Raster.
As of Version 6, SurfaceColor has been superseded by Specularity and Glow.
In Version 6.0, CircularVertices has been superseded by CircularEmbedding.
In Version 6.0, StirlingFirst has been superseded by StirlingS1.
As of Version 7.0, FindDivisions has been added to the built-in Mathematica kernel.