PHP exp()


exp() returns the exponent of e which is a constant number (~2.7182).

<?PHP
	echo exp(1); //2.718281828459
	echo exp(2);  //7.3890560989307
	echo exp(10);  //22026.465794807
?>

The parameter can be of float type.
<?PHP
	echo exp(2.1); //8.1661699125677
	echo exp(10.1);  //24343.009424408
?>