JankoGroupJ2[] represents the sporadic simple Janko group J_2.
PageWidth is an option for output streams and for cells which specifies how wide each line of text should be allowed to be.
RangeFilter[image, r] filters image by replacing every pixel by the difference of the maximum and minimum in its range r neighborhood. RangeFilter[data, r] applies a range ...
Residue
(Built-in Mathematica Symbol) Residue[expr, {z, z_0}] finds the residue of expr at the point z = z_0.
Switch
(Built-in Mathematica Symbol) Switch[expr, form_1, value_1, form_2, value_2, ...] evaluates expr, then compares it with each of the form_i in turn, evaluating and returning the value_i corresponding to ...
TraceScan[f, expr] applies f to all expressions used in the evaluation of expr. TraceScan[f, expr, form] includes only those expressions which match form. TraceScan[f, expr, ...
Verbatim[expr] represents expr in pattern matching, requiring that expr be matched exactly as it appears, with no substitutions for blanks or other transformations.
$ConfiguredKernels is the default list of kernels that are configured to be launched for parallel computing.
$MessageGroups is the list of rules that gives named message groups used in functions like On and Quiet.
$Path
(Built-in Mathematica Symbol) $Path gives the default list of directories to search in attempting to find an external file.