Equal
(Built-in Mathematica Symbol) lhs == rhs returns True if lhs and rhs are identical.
Glaisher is Glaisher's constant with numerical value \[TildeEqual] 1.28243.
Hyperfactorial[n] gives the hyperfactorial function H(n).
Intersection[list_1, list_2, ...] gives a sorted list of the elements common to all the list_i.
LogGammaDistribution[\[Alpha], \[Beta], \[Mu]] represents a log-gamma distribution with shape parameters \[Alpha] and \[Beta] and location parameter \[Mu].
NProduct[f, {i, i_min, i_max}] gives a numerical approximation to the product \[Product]i = i_min i_max f.NProduct[f, {i, i_min, i_max, di}] uses a step di in the product.
PieChart3D[{y_1, y_2, ...}] makes a 3D pie chart with sector angle proportional to y_1, y_2, ....PieChart3D[{..., w_i[y_i, ...], ..., w_j[y_j, ...], ...}] makes a 3D pie ...
Pochhammer[a, n] gives the Pochhammer symbol (a) n.
PolyLog
(Built-in Mathematica Symbol) PolyLog[n, z] gives the polylogarithm function Li_n (z).PolyLog[n, p, z] gives the Nielsen generalized polylogarithm function S n, p (z).
PrimeZetaP[s] gives prime zeta function P(s).