exp
(PHP 4, PHP 5)
exp — Calculates the exponent of e
Beskrivelse
float exp
( float $arg
)
Returns e raised to the power of arg .
Note: 'e' is the base of the natural system of logarithms, or approximately 2.718282.
Parameterliste
- arg
-
The argument to process
Returneringsværdier
'e' raised to the power of arg
Eksempler
Example#1 exp() example
<?php
echo exp(12) . "\n";
echo exp(5.7);
?>
Ovenstående eksempel vil udskrive:
1.6275E+005 298.87