exp
exp
(PHP 4, PHP 5, PHP 7)
exp — Calculates the exponent of e
Description
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.
Parameters
-
arg
-
The argument to process
Return Values
'e' raised to the power of arg
Examples
Example #1 exp() example
<?php echo exp(12) . "\n"; echo exp(5.7); ?>
The above example will output:
1.6275E+005 298.87
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https://secure.php.net/manual/en/function.exp.php