−1 (number)
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In mathematics, −1 (negative one or minus one) is the additive inverse of 1. That is, if it is added to 1, the result is 0. It is the negative integer greater than negative two (−2) and less than 0.
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List of numbers -- Integers (whole numbers)
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Cardinal | −1, minus one, negative one | ||
Arabic | −١ | ||
Chinese numeral | 负一,负弌,负壹 | ||
Bengali | ô১ | ||
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−1 has some similar properties as positive one. But some are different.[1]
−1 is related to Euler's identity. This is because the identity states
In computer science, −1 is a common initial value for integers. It is also used to show that a variable has no useful information.