BitLength[n] gives the number of binary bits necessary to represent the integer n.
ArcCsc
(Built-in Mathematica Symbol) ArcCsc[z] gives the arc cosecant csc -1 (z) of the complex number z.
Plus
(Built-in Mathematica Symbol) x + y + z represents a sum of terms.
PermutationProduct[a, b, c] gives the product of permutations a, b, c.
ArrayPlot[array] generates a plot in which the values in an array are shown in a discrete array of squares.
BoundaryStyle is an option for plotting functions that specifies the style in which boundaries of regions should be drawn.
ArcSech
(Built-in Mathematica Symbol) ArcSech[z] gives the inverse hyperbolic secant sech -1 (z) of the complex number z.
ListPolarPlot[{r_1, r_2, ...}] plots points equally spaced in angle at radii r_i.ListPolarPlot[{{\[Theta]_1, r_1}, {\[Theta]_2, r_2}, ...}] plots points at polar coordinates ...
Mathematica provides convenient functions and algorithms for manipulating colors in images, with full generality for arbitrary numbers of color channels.
Longest
(Built-in Mathematica Symbol) Longest[p] is a pattern object that matches the longest sequence consistent with the pattern p.