SaveAutoDelete is an option for ErrorBox objects that specifies whether the ErrorBox is automatically deleted when the notebook containing it is saved.
ShortDownArrow[x, y, ...] displays as x\[ShortDownArrow]y\[ShortDownArrow]....
ShortUpArrow[x, y, ...] displays as x\[ShortUpArrow]y\[ShortUpArrow]....
SpellingCorrection is an option for StringMatchQ, Names, and related functions that specifies whether strings should be considered to match even when a small fraction of the ...
Square
(Built-in Mathematica Symbol) Square[x] displays as \[Square]x.
SubsetEqual[x, y, ...] displays as x \[SubsetEqual] y \[SubsetEqual] ....
Subset
(Built-in Mathematica Symbol) Subset[x, y, ...] displays as x \[Subset] y \[Subset] ....
SuchThat[x, y] displays as x \[SuchThat] y.
SupersetEqual[x, y, ...] displays as x \[SupersetEqual] y \[SupersetEqual] ....
Superset[x, y, ...] displays as x \[Superset] y \[Superset] ....