CholeskyDecomposition[m] gives the Cholesky decomposition of a matrix m.
ExpIntegralEi[z] gives the exponential integral function Ei(z).
FourierSeries[expr, t, n] gives the n\[Null]^th-order Fourier series expansion of expr in t. FourierSeries[expr, {t_1, t_2, ...}, {n_1, n_2, ...}] gives the multidimensional ...
FresnelC[z] gives the Fresnel integral C(z).
FresnelS[z] gives the Fresnel integral S(z).
HermiteH[n, x] gives the Hermite polynomial H_n (x).
InverseEllipticNomeQ[q] gives the parameter m corresponding to the nome q in an elliptic function.
LandauDistribution[\[Mu], \[Sigma]] represents a Landau distribution with location parameter \[Mu] and scale parameter \[Sigma].
LaplaceTransform[expr, t, s] gives the Laplace transform of expr. LaplaceTransform[expr, {t_1, t_2, ...}, {s_1, s_2, ...}] gives the multidimensional Laplace transform of ...