note 80243 deleted from function.sqrt by felipe
| From: | felipe@php.net | Date: | Mon, 07 Jan 2008 01:45:02 +0000 |
| Subject: | note 80243 deleted from function.sqrt by felipe | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-134905@lists.php.net to get a copy of this message | ||
Note Submitter: Anonymous
----
<?
//This function do the same of php sqrt function.
function nsqr($num)
{
if($num<0)
{
return "<b>Error</b> : Minus root !";
}
$n=1;
while($n)
{
$new=($n+($num/$n))/2;
if($prev_val==$new)
{
return $new;
}
$prev_val=$new;
$n=$new;
}
}
echo nsqr(4);
echo nsqr(3);
echo nsqr(2);
?>
Ahmad Shoukor .