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Decrement (--)PreIncrement (++)

SubtractFrom

FilledSmallSquarex -= dx subtracts dx from x and returns the new value of x.

FilledSmallSquareSubtractFrom has the attribute HoldFirst.

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

FilledSmallSquare See The Mathematica Book: Section 2.4.4.

FilledSmallSquare See also: Decrement, PreDecrement, Set.

Further Examples

Decrement (--)PreIncrement (++)