LegendreQ[n, z] gives the Legendre function of the second kind Q_n (z). LegendreQ[n, m, z] gives the associated Legendre function of the second kind Q_n^m(z).
LogIntegral[z] is the logarithmic integral function li(z).
ModularLambda[\[Tau]] gives the modular lambda elliptic function \[Lambda](\[Tau]).
NorlundB[n, a] gives Nørlund polynomials B_n^(a) of degree n in a.NorlundB[n, a, x] gives generalized Bernoulli polynomials B_n^(a)(x).
Quotient[m, n] gives the integer quotient of m and n. Quotient[m, n, d] uses an offset d.
RiemannSiegelTheta[t] gives the Riemann\[Dash]Siegel function \[CurlyTheta](t).
RiemannSiegelZ[t] gives the Riemann\[Dash]Siegel function Z(t).
SiegelTheta[\[CapitalOmega], s] gives the Siegel theta function \[CapitalTheta] (\[CapitalOmega], s) with Riemann modular matrix \[CapitalOmega] and vector ...
SinhIntegral[z] gives the hyperbolic sine integral function Shi(z).
SpheroidalPS[n, m, \[Gamma], z] gives the angular spheroidal function PS n, m (\[Gamma], z) of the first kind.