$FrontEnd (Built-in Mathematica Symbol)

$FrontEnd is a global variable that specifies to what front end object, if any, the kernel is currently connected.

$HistoryLength (Built-in Mathematica Symbol)

$HistoryLength specifies the number of previous lines of input and output to keep in a Mathematica session.

EulerSum (Numerical Calculus Package Symbol)

EulerSum[f, {i, i_min, i_max}] gives a numerical approximation to the sum \[Sum]i = i_min i_max f using Euler's transformation.EulerSum[f, {i, i_min, i_max, di}] uses a step ...

SyntaxInformation (Built-in Mathematica Symbol)

SyntaxInformation[f] gives information used to generate syntax coloring and other advisories when f[...] is entered as input.

VectorScale (Built-in Mathematica Symbol)

VectorScale is an option to VectorPlot, ListVectorPlot, and related functions that determines the length and arrowhead size of field vectors that are drawn.

Cells as Mathematica Expressions (Mathematica Tutorial)

Like other objects in Mathematica, the cells in a notebook, and in fact the whole notebook itself, are all ultimately represented as Mathematica expressions. With the ...

Mathematica Packages (Mathematica Tutorial)

One of the most important features of Mathematica is that it is an extensible system. There is a certain amount of mathematical and other functionality that is built into ...

Introduction (CUDALink Tutorial)

CUDALink allows Mathematica to use the CUDA parallel computing architecture on Graphical Processing Units (GPUs). It contains functions that use CUDA-enabled GPUs to boost ...

Conjugate (Built-in Mathematica Symbol)

Conjugate[z] or z\[Conjugate] gives the complex conjugate of the complex number z.

Rationalize (Built-in Mathematica Symbol)

Rationalize[x] converts an approximate number x to a nearby rational with small denominator. Rationalize[x, dx] yields the rational number with smallest denominator that lies ...