e
Euler's number, the base of the natural logarithm. Approximately equal to 2.71828
Try it yourself:
$1  e
 
$2  e ^ 2
 
$3  exp(2)
 
$4  log(e)

Euler's number, the base of the natural logarithm. Approximately equal to 2.71828
Try it yourself:
$1  e
 
$2  e ^ 2
 
$3  exp(2)
 
$4  log(e)
