GrayCode
(Obsolete Combinatorica Package Symbol) In Version 6.0, GrayCode has been superseded by GrayCodeSubsets.
In Version 6.0, NetworkFlowEdges has been superseded by NetworkFlow.
Polya
(Obsolete Combinatorica Package Symbol) In Version 6.0, Polya has been superseded by OrbitInventory.
As of version 6.0, NearestNeighbor has been superseded by Nearest[{{x_1, y_1}, {x_2, y_2}, ...} -> Automatic, {a, b}].
As of Version 7.0, FindDivisions has been added to the built-in Mathematica kernel.
ZeroQ
(Obsolete Developer Package Symbol) As of Version 6.0, ZeroQ has been superseded by PossibleZeroQ.
As of Version 7.0, DTFourierTransform has been renamed to FourierSequenceTransform and is part of the built-in Mathematica kernel.
As of Version 7.0, FourierCoefficient is part of the built-in Mathematica kernel.
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.