$MessageGroups is the list of rules that gives named message groups used in functions like On and Quiet.

When you use //N to get a numerical result, Mathematica does what a standard calculator would do: it gives you a result to a fixed number of significant figures. You can also ...

AddPeriodical[expr, interval] adds the computation expr to the set of operations that are periodically performed automatically.

Lighting is an option for Graphics3D and related functions that specifies what simulated lighting to use in coloring 3D surfaces.

Mathematica 7 represents another major achievement in Mathematica's long history of innovation in mathematics and algorithms. Building on the broad capabilities of ...

Erfi[z] gives the imaginary error function erf(i z)/i.

NumberQ[expr] gives True if expr is a number, and False otherwise.

RealExponent[x] gives log_10 (|x|).RealExponent[x, b] gives log_b (|x|).

Using the objects described in "Introduction to Patterns", you can set up patterns for many kinds of expressions. In all cases, you must remember that the patterns must ...

CUDAClosing[img, r] gives the closing of img with respect to a range-r square.CUDAClosing[list, r] gives the closing of list with respect to a range-r square.CUDAClosing[mem, ...