MathieuS[a, q, z] gives the odd Mathieu function with characteristic value a and parameter q.
MeshFunctions is an option for plotting functions that specifies functions to use to determine the placement of mesh divisions.
PartitionsQ[n] gives the number q (n) of partitions of the integer n into distinct parts.
Prime
(Built-in Mathematica Symbol) Prime[n] gives the n\[Null]^th prime number.
Primes
(Built-in Mathematica Symbol) Primes represents the domain of prime numbers, as in x \[Element] Primes.
RandomPrime[{i_min, i_max}] gives a pseudorandom prime number in the range i_min to i_max.RandomPrime[i_max] gives a pseudorandom prime number in the range 2 to ...
Round
(Built-in Mathematica Symbol) Round[x] gives the integer closest to x. Round[x, a] rounds to the nearest multiple of a.
Show
(Built-in Mathematica Symbol) Show[graphics, options] shows graphics with the specified options added. Show[g_1, g_2, ...] shows several graphics combined.
Signature[list] gives the signature of the permutation needed to place the elements of list in canonical order.
StringReplaceList["string", s -> sp] or StringReplaceList["string", {s_1 -> sp_1, s_2 -> sp_2, ...}] gives a list of the strings obtained by replacing each individual ...