NumberTheory`FactorIntegerECM` (Mathematica Compatibility Information)

The functionality of FactorIntegerECM can be obtained using the enhanced Mathematica kernel function FactorInteger.

NumberTheory`Rationalize` (Mathematica Compatibility Information)

NumberTheory`Rationalize` was available as an add-on package in previous versions of Mathematica and is now available on the web at ...

NumericalMath`IntervalRoots` (Mathematica Compatibility Information)

NumericalMath`IntervalRoots` was available as an add-on package in previous versions of Mathematica and is now available on the web at ...

NumericalMath`PolynomialFit` (Mathematica Compatibility Information)

NumericalMath`PolynomialFit` was available as an add-on package in previous versions of Mathematica and is now available on the web at ...

NumericalMath`TrigFit` (Mathematica Compatibility Information)

NumericalMath`TrigFit` was available as an add-on package in previous versions of Mathematica and is now available on the web at ...

Utilities`Benchmark` (Mathematica Compatibility Information)

All of the functionality in Utilities`Benchmark` is now available through the newly created Benchmarking Package.

Utilities`MemoryConserve` (Mathematica Compatibility Information)

Utilities`MemoryConserve` was available as an add-on package in previous versions of Mathematica and is now available on the web at ...

Utilities`ShowTime` (Mathematica Compatibility Information)

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.

ToPackedArray (Developer Package Symbol)

ToPackedArray[expr] uses packed arrays if possible in the internal representation of expr.

ErrorBar Plotting Package (Error Bar Plots Package Guide)