Complex
(Built-in Mathematica Symbol) Complex is the head used for complex numbers.
ComposeSeries[series_1, series_2, ...] composes several power series.
Composition[f_1, f_2, f_3, ...] represents a composition of the functions f_1, f_2, f_3, ....
Cross
(Built-in Mathematica Symbol) Cross[a, b] gives the vector cross product of a and b.
DiscreteWaveletTransform[data] gives the discrete wavelet transform (DWT) of an array of data.DiscreteWaveletTransform[data, wave] gives the discrete wavelet transform using ...
Epilog
(Built-in Mathematica Symbol) Epilog is an option for graphics functions that gives a list of graphics primitives to be rendered after the main part of the graphics is rendered.
Extension is an option for various polynomial and algebraic functions that specifies generators for the algebraic number field to be used.
FrameStyle is an option for Graphics, Grid, and other constructs that specifies the style in which to draw frames.
GrayLevel[level] is a graphics directive that specifies the gray-level intensity with which objects that follow should be displayed. GrayLevel[g, a] specifies opacity a.
HypergeometricDistribution[n, n_succ, n_tot] represents a hypergeometric distribution.