Complexes represents the domain of complex numbers, as in x \[Element] Complexes.
EdgeLabelStyle is an option and property for Graph and related functions that specifies the style to use for edge labels.
ExtractArchive[file] expands an archive file, saving its content into the current directory.ExtractArchive[file, dir] saves the content of an archive file into directory ...
Glaisher is Glaisher's constant with numerical value \[TildeEqual] 1.28243.
GraphicsComplex[{pt_1, pt_2, ...}, data] represents a graphics complex in which coordinates given as integers i in graphics primitives in data are taken to be pt_i.
Gudermannian[z] gives the Gudermannian function gd(z).
Haversine[z] gives the haversine function hav(z).
HeavisidePi[x] represents the box distribution \[CapitalPi](x), equal to 1 for |x| < 1/2 and 0 for |x| > 1/2.HeavisidePi[x_1, x_2, ...] represents the multidimensional box ...
Hyperfactorial[n] gives the hyperfactorial function H(n).
Hypergeometric0F1Regularized[a, z] is the regularized confluent hypergeometric function \[Null]_0 F_1 (a; z)/\[CapitalGamma](a).