MS Excel had a similar issue (though probably an unrelated bug) a while back that caused a furor: http://www.appscout.com/2007/10/excel_bug_exterminated.php ht

MS Excel had a similar issue (though probably an unrelated bug) a while back that caused a furor: http://www.appscout.com/2007/10/excel_bug_exterminated.php http://www.appscout.com/2007/10/excel_bug_exterminated.php Imagine being the accountant who learned about this too late...