AlgebraicUnitQ[a] yields True if a is an algebraic unit, and yields False otherwise.
CellPrint[expr] inserts expr as a complete cell in the current notebook just below the cell being evaluated. CellPrint[{expr_1, expr_2, ...}] inserts a sequence of cells.
IntegerLength[n] gives the number of digits in the base 10 representation of the integer n.IntegerLength[n, b] gives the number of digits in the base b representation of n.
PrimePi
(Built-in Mathematica Symbol) PrimePi[x] gives the number of primes \[Pi] (x) less than or equal to x.
PrimitiveRoot[n] gives the smallest primitive root of n.
SpheroidalRadialFactor[n, m, c] gives the spheroidal radial factor with degree n and order m.
SpheroidalS1Prime[n, m, \[Gamma], z] gives the derivative with respect to z of the radial spheroidal function S_n^m, (1)(\[Gamma], z) of the first kind.
SpheroidalS2[n, m, \[Gamma], z] gives the radial spheroidal function S_n^m, (2)(\[Gamma], z) of the second kind.
ToUpperCase[string] yields a string in which all letters have been converted to uppercase.
BarnesG
(Built-in Mathematica Symbol) BarnesG[z] gives the Barnes G-function G(z).