AbsoluteDashing[{d_1, d_2, ...}] is a graphics directive which specifies that lines which follow are to be drawn dashed, with successive segments having absolute lengths d_1, ...
AbsoluteThickness[d] is a graphics directive which specifies that lines which follow are to be drawn with absolute thickness d.
ArrayQ
(Built-in Mathematica Symbol) ArrayQ[expr] gives True if expr is a full array or a SparseArray object, and gives False otherwise. ArrayQ[expr, patt] requires expr to be a full array with a depth that ...
BooleanVariables[expr] gives a list of the Boolean variables in the Boolean expression expr.BooleanVariables[bf] gives the number of Boolean variables in the BooleanFunction ...
CyclicGroup[n] represents the cyclic group of degree n.
DateDifference[date_1, date_2] gives the number of days from date_1 to date_2.DateDifference[date_1, date_2, " unit"] gives the difference between date_1 and date_2 in the ...
Delete
(Built-in Mathematica Symbol) Delete[expr, n] deletes the element at position n in expr. If n is negative, the position is counted from the end. Delete[expr, {i, j, ...}] deletes the part at position {i, ...
Denominator[expr] gives the denominator of expr.
DiamondMatrix[r] gives a matrix whose elements are 1 in a diamond-shaped region that extends r index positions to each side, and are 0 otherwise.DiamondMatrix[r, w] gives a ...
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 ...