PHP
http://www.heise.de/developer/news/foren/S-Re-Thank-good-it-s-friday/forum-258911/msg-23710740/read/
$a = 0.17; $b = 1 - 0.83; echo $a-$b; // [...]: -2.7755575615629E-17
http://www.heise.de/developer/news/foren/S-Re-Thank-good-it-s-friday/forum-258911/msg-23710740/read/
$a = 0.17; $b = 1 - 0.83; echo $a-$b; // [...]: -2.7755575615629E-17