Euler's number

Revision as of 20:20, 23 June 2006 by Me@home (talk | contribs)

The mathematical constant e is defined as the following limit: $e=\lim_{n\rightarrow \infty}{(1+\frac1n)}^n$. In calculus, the fact that $e^x = \sum{\frac{x^n}{n!}}$ is used often, based on the above definition and the Binomial Theorem.