DiscreteUniformDistribution[{i_min, i_max}] represents a discrete uniform distribution over the integers from i_min to i_max.DiscreteUniformDistribution[{{i_min, i_max}, ...

DiscreteWaveletData[{wind_1 -> coef_1, ...}, wave, wtrans] yields a discrete wavelet data object with wavelet coefficients coef_i corresponding to wavelet index wind_i, ...

DiskMatrix[r] gives a matrix whose elements are 1 in a disk-shaped region of radius r, and are otherwise 0.DiskMatrix[r, w] gives a w*w matrix containing a disk of 1s with ...

Disk[{x, y}, r] is a two-dimensional graphics primitive that represents a filled disk of radius r centered at the point x, y. Disk[{x, y}] gives a disk of radius 1. Disk[{x, ...

Dispatch[{lhs_1 -> rhs_1, lhs_2 -> rhs_2, ...}] generates an optimized dispatch table representation of a list of rules. The object produced by Dispatch can be used to give ...

DispersionEstimatorFunction is an option for generalized linear model fitting functions that specifies the estimator for the dispersion parameter.

DisplayAllSteps is an option to Animate and related functions that specifies whether all frames should be displayed in an animation, even if to do so would slow the animation ...

DisplayEndPacket[] is a MathLink packet that indicates the end of a series of expressions relating to a postscript graphic.

DisplayFunction is an option for graphics and sound functions that specifies a function to apply to graphics and sound objects before returning them.

As of Version 6.0, Display is superseded by capabilities in Export.