Question

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

Answer 1

Yes, In means 'national logarithm '

If the term 'logarithm' means anything to you:

If the term 'logarithm' means anything to you:On your calculator you find two buttons for them:

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.

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.