a ** b ** c is a general associative, but non-commutative, form of multiplication.
PeronaMalikFilter[image] applies a Perona\[Dash]Malik diffusion filter to image.PeronaMalikFilter[image, t] specifies the amount of diffusion t to be applied. ...
Rational is the head used for rational numbers.
SatisfiabilityInstances[bf] attempts to find a choice of variables that makes the Boolean function bf yield True.SatisfiabilityInstances[expr, {a_1, a_2, ...}] attempts to ...
SeedRandom[n] resets the pseudorandom generator, using n as a seed. SeedRandom[] resets the generator, using as a seed the time of day and certain attributes of the current ...
ShortestPathFunction[type, data] represents a function that gives the shortest path from a source vertex s to target vertex t in a graph.
Show
(Built-in Mathematica Symbol) Show[graphics, options] shows graphics with the specified options added. Show[g_1, g_2, ...] shows several graphics combined.
TranslationTransform[v] gives a TransformationFunction that represents translation of points by a vector v.
$IterationLimit gives the maximum length of evaluation chain used in trying to evaluate any expression.
$MessagePrePrint is a global variable whose value, if set, is applied to expressions before they are included in the text of messages.