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Increment (++)Decrement (--)

AddTo

FilledSmallSquarex += dx adds dx to x and returns the new value of x.

FilledSmallSquareAddTo has the attribute HoldFirst.

FilledSmallSquarex += dx is equivalent to x = x + dx.

FilledSmallSquare See The Mathematica Book: Section 2.4.4.

FilledSmallSquare See also: Increment, PreIncrement, Set, PrependTo.

Further Examples

Increment (++)Decrement (--)