exp

(PHP 3, PHP 4, PHP 5)

exp -- Calculates the exponent of e

Beskrivelse

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);
?>

Ovenstående eksempel vil udskrive:

1.6275E+005
298.87

Se også

log()
pow()