MathMLToExpression (Obsolete XML Package Symbol)

Same functionality now provided by ImportString[string, {"MathML", "Expression"}].

SymbolicNotebookMLToNotebook (Obsolete XML Package Symbol)

The NotebookML format is no longer supported.

BarSpacing (Obsolete Bar Charts Package Symbol)

As of Version 7.0, BarSpacing is part of the built-in Mathematica kernel.

NIntegrateInterpolatingFunction (Obsolete Function Approximations Package Symbol)

As of Version 6.0, NIntegrate natively supports InterpolatingFunction objects.

HistogramCategories (Obsolete Histograms Package Symbol)

As of Version 7.0, HistogramCategories has been superseded by an optional argument hspec for the built-in Mathematica function Histogram.

DesignedRegress (Obsolete Linear Regression Package Symbol)

As of Version 7.0, DesignedRegress has been superseded by LinearModelFit.

Regress (Obsolete Linear Regression Package Symbol)

As of Version 7.0, Regress has been superseded by LinearModelFit.

HotellingTSquareDistribution (Obsolete Multivariate Statistics Package Symbol)

As of Version 8, HotellingTSquareDistribution is part of the built-in Mathematica kernel.

MultinomialDistribution (Obsolete Multivariate Statistics Package Symbol)

As of Version 8, MultinomialDistribution is part of the built-in Mathematica kernel.

MultinormalDistribution (Obsolete Multivariate Statistics Package Symbol)

As of Version 8, MultinormalDistribution is part of the built-in Mathematica kernel.