$MaxExtraPrecision gives the maximum number of extra digits of precision to be used in functions such as N.
Orthogonal polynomials. Legendre polynomials LegendreP[n,x] arise in studies of systems with three-dimensional spherical symmetry. They satisfy the differential equation ...
Star
(Combinatorica Package Symbol) Star[n] constructs a star on n vertices, which is a tree with one vertex of degree n - 1.
Unicode: 039D. Aliases: Esc N Esc, Esc Nu Esc. Greek letter. Not the same as English N.
Momentum
RSquared
ContinuedFractionK[f, g, {i, i_min, i_max}] represents the continued fraction \[CapitalKappa]_i = i_min^i_max f/g.ContinuedFractionK[g, {i, i_min, i_max}] represents the ...
Hyperfactorial[n] gives the hyperfactorial function H(n).
PrimeNu
(Built-in Mathematica Symbol) PrimeNu[n] gives the number of distinct primes \[Nu](n) in n.
PrimeOmega[n] gives the number of prime factors counting multiplicities \[CapitalOmega](n) in n.