Last modified on November 16, 2011, at 06:16

Additive identity

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.

See also

Identity Element