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Subtraction Assignment Operator (-=)

Subtracts the value of an expression from the value of a variable and assigns the result to the variable.

result -= expression

Arguments

result
Any numeric variable.
expression
Any numeric expression.

Remarks

Using the -= operator is exactly the same as doing the following:

result = result – expression

Requirements

Version 1

See Also

- Operator | Operator Precedence | Operator Summary