# Constant facts for kids

A **constant** is something that does not change. Constants (numbers) are used in maths and computer programming.

An important fact to remember in calculus is that the derivative of a constant is always zero.

## Related pages

## See also

In Spanish: Constant (desambiguación) para niños

All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise. Cite this article:

Constant Facts for Kids. *Kiddle Encyclopedia.*