exp

Calculates the exponent of e

Description

float exp(float $num)

Returns e raised to the power of num.

Note:

'e' is the base of the natural system of logarithms, or approximately 2.718282.

Parameters

num

The argument to process

Return Values

'e' raised to the power of num

Examples

Example #1 exp example

<?php
echo exp(12) . "\n";
echo exp(5.7);
?>

The above example will output:

1.6275E+005
298.87

See Also

  • log
  • pow