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 2022-12-09,