Do you mean multi level marketing? What kind of matrix calculations? What sort of data do the matrices include? And what does this have to do with databases? Do you need to store matrix data in your db? ------ Original Message ------ Received: Tue, 23 Sep 2008 12:29:40 PM CDT From: "A. Joseph" <joefazee@xxxxxxxxx> To: "Micah Gersten" <micah@xxxxxxxxxxx>Cc: "php list" <php-db@xxxxxxxxxxxxx> Subject: Matrix programming I need to do some stuff on MLM system so i will be using matrix caculation, i need a tutorial on it. -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php