# What is base e?

##### 1 Answer

Aug 29, 2014

"e" is a commonly used base for exponential functions.

Any number greater than 0 (except for 1) can be used for an exponential function. "e", called "Euler's Constant" (pronounced oiler) is one of the most commonly used bases, i.e.

It occurs in many applications such as statistics and finance. "e" can be defined as follows. If you take the function