KelvinKei[z] gives the Kelvin function kei(z).KelvinKei[n, z] gives the Kelvin function kei_n (z).
KelvinKer[z] gives the Kelvin function ker(z).KelvinKer[n, z] gives the Kelvin function ker_n (z).
Log2
(Built-in Mathematica Symbol) Log2[x] gives the base-2 logarithm of x.
LogBarnesG[z] gives the logarithm of the Barnes G-function logG(z).
MathieuC[a, q, z] gives the even Mathieu function with characteristic value a and parameter q.
MathieuS[a, q, z] gives the odd Mathieu function with characteristic value a and parameter q.
MoebiusMu[n] gives the Möbius function \[Mu](n).
MultiplicativeOrder[k, n] gives the multiplicative order of k modulo n, defined as the smallest integer m such that k^m \[Congruent] 1 mod n. MultiplicativeOrder[k, n, {r_1, ...
ParabolicCylinderD[\[Nu], z] gives the parabolic cylinder function D_\[Nu] (z).
PartitionsP[n] gives the number p (n) of unrestricted partitions of the integer n.