NOW each button can be 0 through 9 !! So that's 10 numbers for each button. Times 12 buttons: equals ONE TRILLION possibilities. --Read the introduction to see when you might get finished if you try one combination every second!!! :-) >>This shows how numbers can add up. Enjoy!!!! --Larry828 ========NOTE: the person trapped in the cabinet would REALLY like to get out! Hope you get the right combination!! :-)