Euler's Number

A special number that occurs in nature. it is $2.71828$. It is an Irrational Number.

$e$

The exact value can be approximated as: $e={\lim }_{h\to 0}(1+h{)}^{\frac{1}{h}}$ Or $e={\lim }_{h\to \infty }(1+\frac{1}{h}{)}^h$

Exponential Function

$\text{exp}(x)=e^x$

$ln$

Inverse of $e^x$ is $\ln x$

Concepts

• Euler’s Number Compositions