# Difference between revisions of "Constant"

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== Definition == | == Definition == | ||

− | A '''constant''' is a number that remains the same, unlike a [[variable]], that can change. | + | A '''constant''' is a number that remains the same, unlike a [[variable]], that can change. When discussing polynomials, the '''constant''' or constant term is the coefficient of <math>x^0</math>. |

== Examples == | == Examples == |

## Revision as of 18:01, 28 January 2007

## Definition

A **constant** is a number that remains the same, unlike a variable, that can change. When discussing polynomials, the **constant** or constant term is the coefficient of .

## Examples

, or pi is a famous constant that is approximately 3.14159.

, or e is another famous constant that is approximately 2.71828.

All numbers are constants because they do not change their value; they always remain the same.