Assuming[assum, expr] evaluates expr with assum appended to $Assumptions, so that assum is included in the default assumptions used by functions such as Refine, Simplify, and ...
ByteCount[expr] gives the number of bytes used internally by Mathematica to store expr.
Quotient[m, n] gives the integer quotient of m and n. Quotient[m, n, d] uses an offset d.
ArcCos
(Built-in Mathematica Symbol) ArcCos[z] gives the arc cosine cos -1 (z) of the complex number z.
ArcSin
(Built-in Mathematica Symbol) ArcSin[z] gives the arc sine sin -1 (z) of the complex number z.
Coth
(Built-in Mathematica Symbol) Coth[z] gives the hyperbolic cotangent of z.
ExpGammaDistribution[\[Kappa], \[Theta], \[Mu]] represents an exp-gamma distribution with shape parameter \[Kappa], scale parameter \[Theta], and location parameter \[Mu].
Sech
(Built-in Mathematica Symbol) Sech[z] gives the hyperbolic secant of z.
Tanh
(Built-in Mathematica Symbol) Tanh[z] gives the hyperbolic tangent of z.