(PHP 4, PHP 5, PHP 7)
Calculates the exponent of
e
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
Returns:
'e' raised to the power of arg
Examples:
exp() example
1 2 3 4 | <?phpecho exp(12) . "\n";echo exp(5.7);?> |
The above example will output:
1.6275E+005 298.87
See also:
log() -
pow() -
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