Tool for evaluating the sign of a number (its polarity) or a list of relative numbers and possibly change the sign (positive, negative), find absolute value, sort or separate values greater than or less than 0.

Sign (Positive/Negative) - dCode

Tag(s) : Mathematics, Data Processing

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Plus (`+`) and minus (`-`) signs are used to represent the polarity of a number, e.g. its position relative to the value `0`. A negative number begins with the symbol `-` and a positive number by `+` but this is generally omitted (absent from representations of positive numbers).

__Example:__ $ +123 $ is written $ 123 $

It depends on the meaning of the words `positive` and `negative`, in the strict sense, zero has no sign, it will be considered neither positive nor negative. In practice, it is considered to be both positive and negative.

$ 0 $ is usually positive when written where it is displayed without the `-` sign

The sign `±` has for Unicode code `U+00B1` and latex symbol '\ pm': $ \pm $

The absolute value of a number is the value of the number regardless of the sign (ie always positive).

__Example:__ The absolute value of $ -4 $, noted $ | -4 | $ is equal to $ 4 $

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Cite as source (bibliography):

*Sign (Positive/Negative)* on dCode.fr [online website], retrieved on 2024-06-18,

sign,positive,negative,absolute,polarity,plus,minus

https://www.dcode.fr/sign-positive-negative

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