BetaBinomialDistribution[\[Alpha], \[Beta], n] represents a beta binomial mixture distribution with beta distribution parameters \[Alpha] and \[Beta], and n binomial trials.
Catalan
(Built-in Mathematica Symbol) Catalan is Catalan's constant, with numerical value \[TildeEqual] 0.915966.
CloseKernels[] terminates all parallel kernels from the list Kernels[].CloseKernels[k] terminates the kernel k.CloseKernels[{k_1, k_2, ...}] terminates the kernels k_1, k_2, ...
Constant is an attribute that indicates zero derivative of a symbol with respect to all parameters.
ControllableModelQ[ss] yields True if the StateSpaceModel object ss is controllable, and False otherwise.
DegreeGraphDistribution[dlist] represents a degree graph distribution with vertex degree dlist.
Depth
(Built-in Mathematica Symbol) Depth[expr] gives the maximum number of indices needed to specify any part of expr, plus 1.
DirichletL[k, j, s] gives the Dirichlet L-function L(\[Chi], s) for the Dirichlet character \[Chi](n) with modulus k and index j.
Divisible[n, m] yields True if n is divisible by m, and yields False if it is not.
EulerGamma is Euler's constant \[Gamma], with numerical value \[TildeEqual] 0.577216.