HeavisideTheta[x] represents the Heaviside theta function \[Theta](x), equal to 0 for x < 0 and 1 for x > 0. HeavisideTheta[x_1, x_2, ...] represents the multidimensional ...
InverseBetaRegularized[s, a, b] gives the inverse of the regularized incomplete beta function.
InverseErf[s] gives the inverse error function obtained as the solution for z in s = erf(z).
InverseGammaRegularized[a, s] gives the inverse of the regularized incomplete gamma function.
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).
InverseJacobiDC[v, m] gives the inverse Jacobi elliptic function dc -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).