Rational number
This is an old revision of this page, as edited by ConserveATory (talk | contribs) at 02:23, September 21, 2007. It may differ significantly from current revision.
A rational number is a quotient of the form <math>\frac{a}{b}</math> where a, b are integers and b ≠ 0. The set of rational numbers, usually denoted by <math>\mathbb{Q}</math> is an example of a totally disconnected set that is not locally compact. The rational numbers are countable. Rational numbers can be identified by their fractional form, or a terminating or repeating decimal.