All the functionality of Miscellaneous`Units`is now available in the newly created Units Package.
All the functionality in NumberTheory`PrimeQ` is now available through the newly created Primality Proving Package.
SiegelTheta is now available as the newly added built-in Mathematica kernel function SiegelTheta.
All the functionality of NumericalMath`InterpolateRoot`is now available in the newly created Function Approximations Package.
All the functionality of NumericalMath`NResidue` is now available in the newly created Numerical Calculus Package.
RegressionReport and related symbols have been replaced by FittedModel properties. Weights has been added to the built-in Mathematica kernel. Ellipsoid is now available in ...
SystemInformation gives detailed information about your Mathematica system. "Packages & Files" under the Kernel tab gives information about the packages currently loaded into ...
ReduceElement[e] gives a field element in reduced form.
NFourierCosCoefficient[expr, t, n] gives a numerical approximation to the n\[Null]^th coefficient in the Fourier cosine series expansion of expr, where expr is a periodic ...