Widget[class : class | path | URL[path], {content}] defines a new widget instance.

$GUIPath lists the directories searched in attempting to find interface files.

Interface definitions can be defined using either a Mathematica expression or an XML definition. For many usages the Mathematica syntax is preferred. However, in cases where ...

NInverseFourierCoefficient[expr, n, t] gives a numerical approximation to the function, evaluated at t, whose Fourier exponential series representation has coefficients given ...

Bicomponents[g] gives the biconnected components of the undirected graph g.

CommunityStructurePartition[g] gives the partition of a graph g into communities.

NeighborhoodVertices[g, i, r] gives vertices that can be reached from vertex i within r hops.NeighborhoodVertices[g, i] gives vertices that can be reached from vertex i.

InitializeXMLParser[root, " file"] creates an XMLParser object that has a list of entities corresponding to the contents of " file" and can be used on XML documents that have ...

ConfidenceLevel is an option for LinearModelFit and other fitting functions that specifies the confidence level to use in generating parameter and prediction intervals.

LetterQ[string] yields True if all the characters in the string are letters, and yields False otherwise.