ArcCot (Built-in Mathematica Symbol)

ArcCot[z] gives the arc cotangent cot -1 (z) of the complex number z.

ArcCsch (Built-in Mathematica Symbol)

ArcCsch[z] gives the inverse hyperbolic cosecant csch -1 (z) of the complex number z.

ArcTanh (Built-in Mathematica Symbol)

ArcTanh[z] gives the inverse hyperbolic tangent tanh -1 (z) of the complex number z.

BesselI (Built-in Mathematica Symbol)

BesselI[n, z] gives the modified Bessel function of the first kind I_n (z).

BesselK (Built-in Mathematica Symbol)

BesselK[n, z] gives the modified Bessel function of the second kind K_n (z).

BesselY (Built-in Mathematica Symbol)

BesselY[n, z] gives the Bessel function of the second kind Y_n (z).

Block (Built-in Mathematica Symbol)

Block[{x, y, ...}, expr] specifies that expr is to be evaluated with local values for the symbols x, y, .... Block[{x = x_0, ...}, expr] defines initial local values for x, ...

DawsonF (Built-in Mathematica Symbol)

DawsonF[z] gives the Dawson integral F(z).

Hold (Built-in Mathematica Symbol)

Hold[expr] maintains expr in an unevaluated form.

If (Built-in Mathematica Symbol)

If[condition, t, f] gives t if condition evaluates to True, and f if it evaluates to False. If[condition, t, f, u] gives u if condition evaluates to neither True nor False.