exp
(PHP 3, PHP 4, PHP 5)
exp -- Calculates the exponent of
eBeskrivelse
float
exp ( float arg )
Returns e raised to the power of arg
.
Bemærk:
'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
Eksempel 1. exp() example
<?php echo exp(12) . "\n"; echo exp(5.7); ?>
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Ovenstående eksempel vil udskrive: |