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

FilledSmallSquare SubtractFrom has the attribute HoldFirst.

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

FilledSmallSquare See Section 2.5.4.

FilledSmallSquare See also: Decrement, PreDecrement, Set.

FilledSmallSquare New in Version 1.

Further Examples