ComposeSeries[series_1, series_2, ...] composes several power series.
Darker
(Built-in Mathematica Symbol) Darker[color] represents a darker version of the specified color. Darker[color, f] represents a version of the specified color darkened by a fraction f. Darker[image, ...] ...
DivisorSigma[k, n] gives the divisor function \[Sigma]_k (n).
DivisorSum[n, form] represents the sum of form[i] for all i that divide n.DivisorSum[n, form, cond] includes only those divisors for which cond[i] gives True.
DualSystemsModel[ss] gives the dual of the StateSpaceModel object ss.
EdgeStyle is an option and property for Graph and related functions that specifies what style to use for edges.
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.
FindGeometricTransform[pts_1, pts_2] finds a geometric transformation between two geometries pts_1 and pts_2, returning the alignment error together with the transformation ...
Framed
(Built-in Mathematica Symbol) Framed[expr] displays a framed version of expr.
FrameLabel is an option for Graphics, Manipulate, and related functions that specifies labels to be placed on the edges of a frame.