SignificanceLevel is an option to VarianceTest and similar functions that controls cutoffs for diagnostic tests as well as test conclusions.
Simplify[expr] performs a sequence of algebraic and other transformations on expr, and returns the simplest form it finds. Simplify[expr, assum] does simplification using ...
SingularValueDecomposition[m] gives the singular value decomposition for a numerical matrix m as a list of matrices {u, w, v}, where w is a diagonal matrix and m can be ...
SmallCircle[x, y, ...] displays as x\[SmallCircle]y\[SmallCircle]....
SpheroidalS1[n, m, \[Gamma], z] gives the radial spheroidal function S_n^m, (1)(\[Gamma], z) of the first kind.
SplitBy
(Built-in Mathematica Symbol) SplitBy[list, f] splits list into sublists consisting of runs of successive elements that give the same value when f is applied.SplitBy[list, {f_1, f_2, ...}] recursively ...
SquareIntersection[x, y, ...] displays as x \[SquareIntersection] y \[SquareIntersection] ....
Square
(Built-in Mathematica Symbol) Square[x] displays as \[Square]x.
SquareSubset[x, y, ...] displays as x \[SquareSubset] y \[SquareSubset] ....
SquareSuperset[x, y, ...] displays as x \[SquareSuperset] y \[SquareSuperset] ....