___(three _characters) or BlankNullSequence[] is a pattern object that can stand for any sequence of zero or more Mathematica expressions. ___h or BlankNullSequence[h] can ...

Sequence[expr_1, expr_2, ...] represents a sequence of arguments to be spliced automatically into any function.

Exp[z] gives the exponential of z.

ValueQ[expr] gives True if a value has been defined for expr, and gives False otherwise.

Mathematica has over 3000 built-in functions and other objects, all based on a single unified framework, and all carefully designed to work together, both in simple ...

Mathematica's unified symbolic architecture and dynamic object mechanism makes possible a uniquely flexible form of direct-manipulation inspector, in which an arbitrary ...

Label[tag] represents a point in a compound expression to which control can be transferred using Goto.

StopScheduledTask[obj] deactivates the task obj.

The Mathematica compiler generates a CompiledFunction expression that contains a sequence of simple instructions for evaluating a Mathematica computation. The compiled ...

Other tutorials have discussed explicit loading of Mathematica packages using <<package and Needs[package]. Sometimes, however, you may want to set Mathematica up so that it ...