FrontEndExecute (Built-in Mathematica Symbol)

FrontEndExecute[expr] sends expr to be executed by the Mathematica front end.

Gudermannian (Built-in Mathematica Symbol)

Gudermannian[z] gives the Gudermannian function gd(z).

Haversine (Built-in Mathematica Symbol)

Haversine[z] gives the haversine function hav(z).

Hyperfactorial (Built-in Mathematica Symbol)

Hyperfactorial[n] gives the hyperfactorial function H(n).

Hypergeometric0F1Regularized (Built-in Mathematica Symbol)

Hypergeometric0F1Regularized[a, z] is the regularized confluent hypergeometric function \[Null]_0 F_1 (a; z)/\[CapitalGamma](a).

Hypergeometric1F1Regularized (Built-in Mathematica Symbol)

Hypergeometric1F1Regularized[a, b, z] is the regularized confluent hypergeometric function \[Null]_1 F_1 (a; b; z)/\[CapitalGamma](b).

IntegerLength (Built-in Mathematica Symbol)

IntegerLength[n] gives the number of digits in the base 10 representation of the integer n.IntegerLength[n, b] gives the number of digits in the base b representation of n.

InterpretationBox (Built-in Mathematica Symbol)

InterpretationBox[boxes, expr] is a low-level box construct that displays as boxes but is interpreted on input as expr.

InverseGudermannian (Built-in Mathematica Symbol)

InverseGudermannian[z] gives the inverse Gudermannian function gd -1 (z).

KroneckerSymbol (Built-in Mathematica Symbol)

KroneckerSymbol[n, m] gives the Kronecker symbol (n/m).