Skeleton[n] represents a sequence of n omitted elements in an expression printed with Short or Shallow. The standard print form for Skeleton is <<n>>.
$TimeUnit gives the minimum time interval in seconds recorded on your computer system.
ParallelCombine[f, h[e_1, e_2, ...], comb] evaluates f[h[e_1, e_2, ...]] in parallel by distributing parts of the computation to all parallel kernels and combining the ...
ByteCount[expr] gives the number of bytes used internally by Mathematica to store expr.
Weights
(Built-in Mathematica Symbol) Weights is an option for various fitting and other functions which specifies weights to associate with data elements.
ColorData["scheme"] gives a function that generates colors in the named color scheme when applied to parameter values. ColorData["scheme", " property"] gives the specified ...
ParallelTry[f, {arg_1, arg_2, ...}] evaluates f[arg_i] in parallel, returning the first result received.ParallelTry[f, {arg_1, arg_2, ...}, k] returns a list of the first k ...
DigitQ
(Built-in Mathematica Symbol) DigitQ[string] yields True if all the characters in the string are digits in the range 0 through 9, and yields False otherwise.
ExtentSize is an option to DiscretePlot and DiscretePlot3D that specifies how far to extend out from each plot point.
ProgressIndicator[x] represents a progress indicator with setting x in the range 0 to 1. ProgressIndicator[Dynamic[x]] takes the setting to be the dynamically updated current ...