−1 (number)
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In mathematics, −1 (negative one, minus one or one below) 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 −2 and less than 0.
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−1 | |||
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List of numbers -- Integers (whole numbers)
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Cardinal | minus one, negative one, one below | ||
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.