Hi! > You can get 2.04 from TI, that is the most recent version, and > there is no reason to have 2.03 when you could have 2.04. > They are nearly identical in their compatibility, I know > because I have 2.04 on my calculator right now. Note that two vectored timer are removed from 2.04. Any program which uses OSVRegisterTimer will not work on 2.04 (Othello by Francois Leiber fir example). Zeljko Juric