EllipticE[m] gives the complete elliptic integral E(m). EllipticE[\[Phi], m] gives the elliptic integral of the second kind E(\[Phi] \[VerticalSeparator] m).
JacobiNS[u, m] gives the Jacobi elliptic function ns(u | m).
Do Basic Calculations Do Constrained Nonlinear Optimization Control the Precision and Accuracy of Numerical Results
InverseErf[s] gives the inverse error function obtained as the solution for z in s = erf(z).
InverseJacobiCD[v, m] gives the inverse Jacobi elliptic function cd -1 (v \[VerticalSeparator] m).
InverseJacobiCN[v, m] gives the inverse Jacobi elliptic function cn -1 (v \[VerticalSeparator] m).
InverseJacobiCS[v, m] gives the inverse Jacobi elliptic function cs -1 (v \[VerticalSeparator] m).
InverseJacobiDN[v, m] gives the inverse Jacobi elliptic function dn -1 (v \[VerticalSeparator] m).
InverseJacobiDS[v, m] gives the inverse Jacobi elliptic function ds -1 (v \[VerticalSeparator] m).
InverseJacobiND[v, m] gives the inverse Jacobi elliptic function nd -1 (v \[VerticalSeparator] m).