FresnelS[z] gives the Fresnel integral S(z).
InverseEllipticNomeQ[q] gives the parameter m corresponding to the nome q in an elliptic function.
JacobiCD[u, m] gives the Jacobi elliptic function cd(u | m).
JacobiDC[u, m] gives the Jacobi elliptic function dc(u | m).
JacobiSC[u, m] gives the Jacobi elliptic function sc(u | m).
LogGamma[z] gives the logarithm of the gamma function log \[CapitalGamma](z).
Multinomial[n_1, n_2, ...] gives the multinomial coefficient (n_1 + n_2 + ...)!/(n_1! n_2! ...).
TransferFunctionCancel[tf] cancels common poles and zeros in the TransferFunctionModel object tf.TransferFunctionCancel[tf, crit] cancels only common pole-zero pairs e_i for ...
ArcCos
(Built-in Mathematica Symbol) ArcCos[z] gives the arc cosine cos -1 (z) of the complex number z.
ArcSin
(Built-in Mathematica Symbol) ArcSin[z] gives the arc sine sin -1 (z) of the complex number z.