Send To launches your email application to email a notebook (Windows only).
AllowInlineCells is an option for cells that specifies whether inline cells are permitted within a cell.
AnchoredSearch is an option for Find and FindList that specifies whether the text searched for must be at the beginning of a record.
AnimationRunning is an option to Animate and related functions that specifies whether the animation they create is running.
Apart
(Built-in Mathematica Symbol) Apart[expr] rewrites a rational expression as a sum of terms with minimal denominators. Apart[expr, var] treats all variables other than var as constants.
AutoloadPath is a global option that specifies from which directories packages are automatically loaded when Mathematica is started.
Back
(Built-in Mathematica Symbol) Back is a symbol that represents the back of a graphic for purposes of placement and alignment.
BeginDialogPacket[integer] is a MathLink packet that indicates the start of the Dialog subsession referenced by integer.
BesselJZero[n, k] represents the k\[Null]^th zero of the Bessel function J_n (x).BesselJZero[n, k, x_0] represents the k\[Null]^th zero greater than x_0.
BezierFunction[{pt_1, pt_2, ...}] represents a Bézier function for a curve defined by the control points pt_i.BezierFunction[array] represents a Bézier function for a surface ...