abs($balanceTest) = 15.22 abs($oldLineArray[16]) = 15.22 $diff = abs($balanceTest) - abs($oldLineArray[16]); echo abs($diff) . "\n"; 1.7763568394E-15 WTF? This should be a big fat 0 -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php