Re: A little maths problem

2235957251 is binary 10000101010001100000000000000011. That means, the first bit is set, which is interpreted as the "sign-bit" in most programming-languages. Greetings Martin Perry Loh wrote: > A little question on maths, why does PHP return the following answer : > > 2634023077 xor 407240870 = -1730242778 > > whereas the correct result should be actually,with a calculator : > > 42634023077 xor 407240870 = 2235957251 > > I'm wondering if this is a bug, if it is or isn't , is there a workaround to > get the correct answer ? BCMath does not seem to provide enough functions > though. > > Regards > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: php-general-unsubscribe@lists.php.net > For additional commands, e-mail: php-general-help@lists.php.net > To contact the list administrators, e-mail: php-list-admin@lists.php.net