note 26811 added to function.sqrt
| From: | tcn at pandora dot be | Date: | Wed, 13 Nov 2002 18:37:28 +0000 |
| Subject: | note 26811 added to function.sqrt | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-39453@lists.php.net to get a copy of this message | ||
Checking if the square you want to take from a number is valid or not (you can't take the root
of a negative number)
if ($i<0)
{
echo "Error! The number you specified can't be rooted! It's negative!
}
else
{
echo "The square root of your number is ".sqrt($i);
}
--
http://www.php.net/manual/en/function.sqrt.php
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