# What does ln mean? and also how is it used?

##### 1 Answer

Apr 7, 2017

#### Answer:

#### Explanation:

If the term 'logarithm' means anything to you:

On your calculator you find two buttons for them:

The

and

Logs (both kinds) are used for compressing large measuring scales, like the deciBel scale for sound, and also in exponential and periodic functions.