FontFamily is an option for Style and Cell that specifies the font family in which text should be rendered.
Gudermannian[z] gives the Gudermannian function gd(z).
PrimeNu
(Built-in Mathematica Symbol) PrimeNu[n] gives the number of distinct primes \[Nu](n) in n.
EstimatedDistribution[data, dist] estimates the parametric distribution dist from data.EstimatedDistribution[data, dist, {{p, p_0}, {q, q_0}, ...}] estimates the parameters ...
ParticleData[name, " property"] gives the specified property for a subatomic particle or family of particles with the specified name. ParticleData[{name, q}, " property"] ...
Accumulate[list] gives a list of the successive accumulated totals of elements in list.
Integer
(Built-in Mathematica Symbol) Integer is the head used for integers.
Mathematica provides permutation representations for many important finite groups. Some of these groups are members of infinite families, parametrized by one or more ...
EulerGamma is Euler's constant \[Gamma], with numerical value \[TildeEqual] 0.577216.