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

1 Answer
Apr 7, 2017

Answer:

#ln# stands for 'natural logarithm'.

Explanation:

If the term 'logarithm' means anything to you:
On your calculator you find two buttons for them:
The #log# button, where logs are calculated to the base #10#,
and #ln# that calculates logs to the base #e#.

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