NumericalMath`TrigFit` was available as an add-on package in previous versions of Mathematica and is now available on the web at ...
All of the functionality in Utilities`Benchmark` is now available through the newly created Benchmarking Package.
The functionality of FilterOptions is provided by the kernel function FilterRules.
Utilities`MemoryConserve` was available as an add-on package in previous versions of Mathematica and is now available on the web at ...
Utilities`ShowTime` was available as an add-on package in previous versions of Mathematica and is now available on the web at library.wolfram.com/infocenter/MathSource/6792.
GraphEdit[] opens an interactive graph editor.GraphEdit[g] plots the graph g in the interactive graph editor.
ChiSquareCI[var, df] gives a confidence interval based on a \[Chi]^2 distribution with df degrees of freedom.
MultivariateMedianDeviation[matrix] gives the median Euclidean distance from the median of the elements in matrix.