New posts in Eulers Number E

How do I prove $\exp(1)=e$ if $\exp$ is defined in a series expansion?

Does the complex exponential function $\exp(z)$ have an axiomatic definition?

Relation between Pascal's Triangle and Euler's Number

Is $\left(1+\frac1n\right)^{n+1/2}$ decreasing?

Why is Euler's number $2.71828$ and not anything else?

Prove the definitions of $e$ to be equivalent