THis is the better and modified verion:with a low and high indicator and a indicator if u guessed right. A simple but fun on and on goin guess a number game . The poin is to guess a number and figure it out. just put a number behind the ? and it will tell u if its done or u gotta continue guessing. Instructions how to intsall : Just copy the guess.8xp file to ur TI 83 (+) and go to programms and hit enter overe the file GUESS that will execute the programm Created in basic by Stephan Becker www.deadmeat.net.ms DummCow@yahoo.com THX for downloading Hint the number is 1.5