Additive identity
This is the current revision of Additive identity as edited by Karajou (talk | contribs) at 06:16, November 16, 2011. This URL is a permanent link to this version of this page.
The additive identity for a ring or field is the element, 0, of the set that, when added to any element a of the set, yields an answer of a.
In the integers, rational numbers, and real numbers, the additive identity is zero.
For any number: a + 0 = a and 0 + a = a.