note 82820 added to language.operators.bitwise

i dont get it. its confusing for me. why does not this kind of line work ? <? $a=17 ; $b=14 ; $c=803780; $d=1000; $e=18.157; $f=0.5; $g=0.738; $summa=((($d*$c*$a)/($b+$e))/$g) ; echo $summa^$f;?> can anyone help ? ---- Server IP: 195.222.16.155 Probable Submitter: 80.235.48.44 ---- Manual Page -- http://www.php.net/manual/en/language.operators.bitwise.php Edit -- https://master.php.net/note/edit/82820 Del: integrated -- https://master.php.net/note/delete/82820/integrated Del: useless -- https://master.php.net/note/delete/82820/useless Del: bad code -- https://master.php.net/note/delete/82820/bad+code Del: spam -- https://master.php.net/note/delete/82820/spam Del: non-english -- https://master.php.net/note/delete/82820/non-english Del: in docs -- https://master.php.net/note/delete/82820/in+docs Del: other reasons-- https://master.php.net/note/delete/82820 Reject -- https://master.php.net/note/reject/82820 Search -- https://master.php.net/manage/user-notes.php