Scaled
(Built-in Mathematica Symbol) Scaled[{x, y, ...}] gives the position of a graphical object in terms of coordinates scaled to run from 0 to 1 across the whole plot range in each direction. Scaled[{dx, dy, ...
SelectionCreateCell[notebook] copies the contents of the current selection in a notebook into a new cell. SelectionCreateCell[notebook, sel] sets the current selection after ...
SendMail[rules] sends an email message built up from the elements specified in rules.
ShrinkingDelay is an option for dynamic objects that specifies how long to delay before shrinking the size of the region in which the object is displayed to the actual size ...
## represents the sequence of arguments supplied to a pure function. ## n represents the sequence of arguments supplied to a pure function, starting with the ...
SoundVolume is an option to Sound and SoundNote and related functions that specifies the relative volume of the sound produced.
SpanCharacterRounding is an option for selections that specifies the method used for rounding a spanning character when its size is to be adjusted.
SpheroidalPSPrime[n, m, \[Gamma], z] gives the derivative with respect to z of the angular spheroidal function PS n, m (\[Gamma], z) of the first kind.
StringQ
(Built-in Mathematica Symbol) StringQ[expr] gives True if expr is a string, and False otherwise.
x - y is equivalent to x + (-1*y).