$MessagePrePrint is a global variable whose value, if set, is applied to expressions before they are included in the text of messages.

SetAttributes[s, attr] adds attr to the list of attributes of the symbol s.

ContinuedFraction[x, n] generates a list of the first n terms in the continued fraction representation of x. ContinuedFraction[x] generates a list of all terms that can be ...

LogPlot, ListLogPlot, and related functions have been added to the built-in Mathematica kernel. PolarPlot and ListPolarPlot have been added to the built-in Mathematica ...

Csch[z] gives the hyperbolic cosecant of z.

SplineClosed is an option for B-spline functions and graphics primitives that specifies whether spline curves or surfaces should be closed.

Widget["ImageLabel"] represents an image label.

When you give a list of equations to Solve, it assumes that you want all the equations to be satisfied simultaneously. It is also possible to give Solve more complicated ...

ControlPlacement is an option for Manipulate, TabView, and other control objects that specifies where controls should be placed.

TaggingRules is an option for selections that specifies a list of strings to be associated with a selection.