Important for registered users of versions older than 5.11: Your registration code is not valid for this version of MiniCalc. To receive a free new code, send an e-mail to minicalc@kylom.com, with your name and the unique Id number of your machine. You can find this number from the main screen of your machine with the command Menu > Information > Machine. An Id number looks like this: 1000118A-EDD5FEF4 If you had already requested a code for version 5.11 or 5.11a, you do *NOT* need a new code...