SplineWeights is an option for B-spline functions and graphics primitives that specifies weights of control points.
StringCount["string", " sub"] gives a count of the number of times " sub" appears as a substring of " string". StringCount["string", patt] gives the number of substrings in " ...
StringDrop["string", n] gives " string" with its first n characters dropped. StringDrop["string", -n] gives " string" with its last n characters dropped. StringDrop["string", ...
StringFreeQ["string", patt] yields True if no substring in " string" matches the string expression patt, and yields False otherwise. StringFreeQ["string", {patt_1, patt_2, ...
"s_1" <> "s_2" <> ..., StringJoin["s_1", "s_2", ...], or StringJoin[{"s_1", "s_2", ...}] yields a string consisting of a concatenation of the s_i.
Symbol
(Built-in Mathematica Symbol) Symbol["name"] refers to a symbol with the specified name.
TakeWhile[list, crit] gives elements e_i from the beginning of list, continuing so long as crit[e_i] is True.
Tally
(Built-in Mathematica Symbol) Tally[list] tallies the elements in list, listing all distinct elements together with their multiplicities.Tally[list, test] uses test to determine whether pairs of elements ...
ToExpression[input] gives the expression obtained by interpreting strings or boxes as Mathematica input. ToExpression[input, form] uses interpretation rules corresponding to ...
TrigExpand[expr] expands out trigonometric functions in expr.