Definition:Euler's Number/Decimal Expansion

Definition
The value of Euler's number $e$ is approximately:
 * $2.71828 \ 18284 \ 59045 \ 23536 \ 0287 \ldots$

Comment
This is the most famous irrational constant in mathematics after $\pi$ (pi), and equally far-reaching in scope and usefulness.

Also see

 * Do not confuse with Euler's constant.