EllipticF (Built-in Mathematica Symbol)

EllipticF[\[Phi], m] gives the elliptic integral of the first kind F(\[Phi] \[VerticalSeparator] m).

HalfNormalDistribution (Built-in Mathematica Symbol)

HalfNormalDistribution[\[Theta]] represents a half-normal distribution with scale inversely proportional to parameter \[Theta].

Product (Built-in Mathematica Symbol)

Product[f, {i, i_max}] evaluates the product \[Product]i = 1 i_max f. Product[f, {i, i_min, i_max}] starts with i = i_min. Product[f, {i, i_min, i_max, di}] uses steps di. ...

CoshIntegral (Built-in Mathematica Symbol)

CoshIntegral[z] gives the hyperbolic cosine integral Chi(z).

DivisorSigma (Built-in Mathematica Symbol)

DivisorSigma[k, n] gives the divisor function \[Sigma]_k (n).

EulerE (Built-in Mathematica Symbol)

EulerE[n] gives the Euler number E_n. EulerE[n, x] gives the Euler polynomial E_n (x).

HypergeometricU (Built-in Mathematica Symbol)

HypergeometricU[a, b, z] is the confluent hypergeometric function U(a, b, z).

Quotient (Built-in Mathematica Symbol)

Quotient[m, n] gives the integer quotient of m and n. Quotient[m, n, d] uses an offset d.

RealExponent (Built-in Mathematica Symbol)

RealExponent[x] gives log_10 (|x|).RealExponent[x, b] gives log_b (|x|).

RiemannSiegelTheta (Built-in Mathematica Symbol)

RiemannSiegelTheta[t] gives the Riemann\[Dash]Siegel function \[CurlyTheta](t).