In mathematics, −1 is the additive inverse o 1, thon is, the number thon whan addit tae 1 gives the additive identity element, 0. It is the negative integer greater than negative twa (−2) an less nor 0.[1]

← −2 −1 0 →
-1 0 1 2 3 4 5 6 7 8 9
Cardinalnegative ane
Ordinal-1st
(negative first)
Roman numeral (unicode)minus Ⅰ, minus ⅰ
Arabic١
Cheenese numeral负一,负弌,负壹
Bengali

References

eedit
  1. Deshpande, J. V. (2004). Mathematical Analysis and Applications: An Introduction (in Inglis). Alpha Science Int'l Ltd. ISBN 978-1-84265-189-6.