<mathematics> (Or "whole number") One of the finite numbers in the infinite set
..., -3, -2, -1, 0, 1, 2, 3, ...An inductive definition of an integer is a number which is either zero or an integer plus or minus one. An integer is a number with no fractional part. If written in as a fixed-point number, the part after the decimal (or other base) point will be zero.
A natural number is a non-negative integer.
(25 Mar 1995)