All the functionality in Miscellaneous`WorldNames` is now available in the built-in Mathematica kernel function CountryData.

The functionality of PrimitiveElement is now available in the newly added built-in Mathematica kernel function ToNumberField.

BezierCurve[{pt_1, pt_2, ...}] is a graphics primitive that represents a Bézier curve with control points pt_i.

DirichletCharacter[k, j, n] gives the Dirichlet character \[Chi] {k, j} (n) with modulus k and index j.

PlotLabel is an option for graphics functions that specifies an overall label for a plot.

ControllerState["c"] gives the state of the control c for the first connected controller device on which it is supported.ControllerState[{"c_1", "c_2", ...}] gives the states ...

DistributionParameterQ[dist] yields True if dist is a valid distribution, and yields False otherwise.

PolynomialReduce[poly, {poly_1, poly_2, ...}, {x_1, x_2, ...}] yields a list representing a reduction of poly in terms of the poly_i. The list has the form {{a_1, a_2, ...}, ...

Mathematica has the world's largest collection of consistent multifont mathematical notation characters—all fully integrated into both typesetting and symbolic expression ...

Annotation[expr, data] represents an expression expr, with annotation data.Annotation[expr, data, " type"] specifies the type of annotation being given.