Set
(Built-in Mathematica Symbol) lhs = rhs evaluates rhs and assigns the result to be the value of lhs. From then on, lhs is replaced by rhs whenever it appears. {l_1, l_2, ...} = {r_1, r_2, ...} evaluates ...
Short
(Built-in Mathematica Symbol) Short[expr] prints as a short form of expr, less than about one line long. Short[expr, n] prints as a form of expr about n lines long.
SimpleGraphQ[g] yields True if the graph g is a simple graph and False otherwise.
## represents the sequence of arguments supplied to a pure function. ## n represents the sequence of arguments supplied to a pure function, starting with the ...
SplineWeights is an option for B-spline functions and graphics primitives that specifies weights of control points.
StreamColorFunction is an option for StreamPlot and related functions that specifies a function to apply to determine colors along streamlines.
"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.
Style
(Built-in Mathematica Symbol) Style[expr, options] displays with expr formatted using the specified option settings. Style[expr, " style"] uses the option settings for the specified style in the current ...
x_y^z is the low-level box representation for x_y^z in notebook expressions.
Timing
(Built-in Mathematica Symbol) Timing[expr] evaluates expr, and returns a list of the time in seconds used, together with the result obtained.