ActionMenu[name, {lbl_1 :> act_1, lbl_2 :> act_2, ...}] represents an action menu with label name and with items labeled lbl_i that evaluates the expression act_i if the ...
ArcCoth
(Built-in Mathematica Symbol) ArcCoth[z] gives the inverse hyperbolic cotangent coth -1 (z) of the complex number z.
EllipticExp[u, {a, b}] is the inverse for EllipticLog. It produces a list {x, y} such that u == EllipticLog[{x, y}, {a, b}].
Gudermannian[z] gives the Gudermannian function gd(z).
Haversine[z] gives the haversine function hav(z).
InverseGudermannian[z] gives the inverse Gudermannian function gd -1 (z).
Kernels
(Built-in Mathematica Symbol) Kernels[] gives the list of running kernels available for parallel computing.
Log10
(Built-in Mathematica Symbol) Log10[x] gives the base-10 logarithm of x.
MathieuCharacteristicExponent[a, q] gives the characteristic exponent r for Mathieu functions with characteristic value a and parameter q.
RamanujanTauTheta[t] gives the Ramanujan tau theta function \[Theta](t).