As of Version 7.0, HistogramCategories has been superseded by an optional argument hspec for the built-in Mathematica function Histogram.
As of Version 7.0, HistogramRange has been superseded by PlotRange.
As of Version 7.0, ApproximateIntervals has been removed.
As of Version 7.0, histogram functionality is built into Mathematica. >>
As of Version 7.0, HistogramScale has been superseded by an optional argument hspec for the built-in Mathematica function Histogram.
Histogram
(Obsolete Histograms Package Symbol) As of Version 7.0, Histogram is part of the built-in Mathematica kernel.