Real number

Revision as of 11:17, 22 June 2006 by IntrepidMath (talk | contribs) (Real numbers moved to Real number: Singular, is mostly references in articles as real number, is Defined as real number, etc.)

A real number is a number that falls on the real number line. It can have any value. Some examples of real numbers are:$1, 2, -23.25, 0, \frac{\pi}{\phi}$, and so on. Numbers that are not real are $3i$, $3+2.5i$, $3+2i+2j+k$, i.e. complex numbers, and quaternions.

The set of real numbers is denoted by $\mathbb{R}$.


See Also