> -----Original Message----- > From: Jason Pruim [mailto:japruim@xxxxxxxxxx] > Subject: Math problems (No not high school math!) > > So I'm trying to figure out how to do a little math in php to add up > the number of hours that people have worked (Still on the timecard for > anyone following along at home) Something like this should work: Select SUM(timediff(`timeout`, `timein`)) where date = X; And for a week: Select SUM(timediff(`timeout`, `timein`)) where week(date) = week_of_year ; (Not tested) Simcha Younger -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php