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Returns the absolute value of a number.





a number, or an expression that evaluates to a number

Return Value

Number, positive, with the same number of decimal places as number.


Use $absolute to ensure that a number is positive (for functions such as $sqrt, for example). $absolute returns the absolute (unsigned) value of a number. The absolute value is always treated as positive.


Certain functions – for example, $sqrt – accept only positive arguments. You can use $absolute to ensure that all arguments to these functions are positive.


evaluates as if it were:



See Also

About Functional Expressions

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