PermutationGroup[{perm_1, ..., perm_n}] represents the group generated by multiplication of the permutations perm_1, ..., perm_n.
"SelectionSetFind" is a front end token that places the selected string into the Search for: field of the Find dialog.
InputPacket[] is a MathLink packet that indicates a prompt for input as generated by Input.
InputStringPacket[] is a MathLink packet that requests input in string form.
Mathematica provides great flexibility for displaying and styling headings in a table. You can use Prepend or ArrayFlatten to add headings to rows and columns and then use ...
PDF
(Mathematica Import/Export Format) MIME type: application/pdf Adobe Acrobat format. Standard format for exchanging and archiving multi-page documents. PDF is an acronym for Portable Document Format. Binary ...
Agglomerate[{e_1, e_2, ...}] gives an hierarchical clustering of the elements e_1, e_2, ....Agglomerate[{e_1 -> v_1, e_2 -> v_2, ...}] represents e_i with v_i in each ...
TakeWhile[list, crit] gives elements e_i from the beginning of list, continuing so long as crit[e_i] is True.
$ContextPath is a global variable that gives a list of contexts, after $Context, to search in trying to find a symbol that has been entered.
Inverse
(Built-in Mathematica Symbol) Inverse[m] gives the inverse of a square matrix m.