Euler's Number
e
Type it
| Unicode | U+0065 | |
|---|---|---|
| LaTeX | e | |
| HTML entity | e | |
| Character | e |
Meaning
The base of the natural logarithm, approximately 2.71828. It is the limit of (1 + 1/n)ⁿ as n grows without bound. Compare with Pi and Imaginary Unit.
How to read it
e^(iπ) + 1 = 0
is read “e to the i pi, plus one, equals zero”.