ExponentialDistribution[\[Lambda]] represents an exponential distribution with scale inversely proportional to parameter \[Lambda].
SetPrecision[expr, p] yields a version of expr in which all numbers have been set to have precision p.
Accumulate[list] gives a list of the successive accumulated totals of elements in list.
Chop
(Built-in Mathematica Symbol) Chop[expr] replaces approximate real numbers in expr that are close to zero by the exact integer 0.
Commonest[list] gives a list of the elements that are the most common in list.Commonest[list, n] gives a list of the n most common elements in list.
Convergents[list] gives a list of the convergents corresponding to the continued fraction terms list.Convergents[x, n] gives the first n convergents for a number ...
DedekindEta[\[Tau]] gives the Dedekind eta modular elliptic function \[Eta](\[Tau]).
DegreeGraphDistribution[dlist] represents a degree graph distribution with vertex degree dlist.
DGaussianWavelet[] represents a derivative of Gaussian wavelet of derivative order 2.DGaussianWavelet[n] represents a derivative of Gaussian wavelet of derivative order n.
DispersionEstimatorFunction is an option for generalized linear model fitting functions that specifies the estimator for the dispersion parameter.