Get
(Built-in Mathematica Symbol) << name reads in a file, evaluating each expression in it, and returning the last one.
GoldenRatio is the golden ratio \[Phi] = 1/2 (Sqrt[5] + 1), with numerical value \[TildeEqual] 1.61803.
GradientFilter[image, r] gives an image corresponding to the magnitude of the gradient of image, computed using discrete derivatives of a Gaussian of pixel radius ...
GraphCenter[g] gives the set of vertices with minimum eccentricity in the graph g.
GraphHighlightStyle is an option to Graph and related objects that specifies styles to use for highlighted graph elements.
GraphPeriphery[g] gives the set of vertices with maximum eccentricity in the graph g.
GraphQ
(Built-in Mathematica Symbol) GraphQ[g] yields True if g is a valid Graph object and False otherwise.
GraphRadius[g] gives the minimum eccentricity of the vertices in the graph g.
GraphStyle is an option to Graph and related objects that specifies styles to use for the different graph elements.
GraphUnion[g_1, g_2] gives the graph union of the graphs g_1 and g_2.GraphUnion[g_1, g_2, ...] gives the graph union of g_1, g_2, ....