Antilogarithm

of a number $n$

The number $N$, denoted by $\operatorname{ant\,log}_a n$, the logarithm of which to the base $a$ is equal to $n$. Thus,

$$\operatorname{ant\,log}_a n=N=a^n,$$

or

$$\log_a N=n.$$

Antilogarithms are also called inverse logarithms.