# Exponent

From Encyclopedia of Mathematics

The same as the exponential function. Cf. also Exponential function, real.

#### Comments

More generally, an expression of the form $a^b$ is called a power (that of the form $x\to a^x$ a power function); $a$ is called the base and $b$ is called the exponent.

**How to Cite This Entry:**

Exponent.

*Encyclopedia of Mathematics.*URL: http://encyclopediaofmath.org/index.php?title=Exponent&oldid=31587