EllipticTheta[a, u, q] gives the theta function \[CurlyTheta]_a (u, q) (a = 1, ..., 4).
JacobiDN[u, m] gives the Jacobi elliptic function dn(u | m).
Cyclotomic[n, x] gives the n\[Null]^th cyclotomic polynomial in x.
JacobiCD[u, m] gives the Jacobi elliptic function cd(u | m).
JacobiCS[u, m] gives the Jacobi elliptic function cs(u | m).
JacobiDC[u, m] gives the Jacobi elliptic function dc(u | m).
JacobiNC[u, m] gives the Jacobi elliptic function nc(u | m).
JacobiNS[u, m] gives the Jacobi elliptic function ns(u | m).
JacobiSC[u, m] gives the Jacobi elliptic function sc(u | m).
LegendreP[n, x] gives the Legendre polynomial P_n (x). LegendreP[n, m, x] gives the associated Legendre polynomial P_n^m(x).