#WEEKLY 15

# Euler's Number

Basically, this is Leonhard Euler:

One of his eyes cannot see because he got ill. He is one of the best mathematicians ever.

## Derive E

Covered in my WEEKLY, you can use limits (I used this one):

Or, as @ApoorvSingal told me :D

## Usages

You can use it for your awesome natural logarithms and also exponential growth/decay.