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In general, a remainder is a quantity ``left over'' after performing a particular algorithm. The term is most commonly used to refer to the number left over when two integers are divided by each other in Integer Division. For example, $55\backslash 7=7$, with a remainder of 6. Of course in real division, there is no such thing as a remainder since, for example, $55/7=7+6/7$.

The term remainder is also sometimes applied to the Residue of a Congruence.

See also Division, Integer Division, Residue (Congruence)

© 1996-9 Eric W. Weisstein