If anyone still need's ROMv1.0 back on their calc, I have the original Flash Installer for 1.0 from TI. I tested installing it over 1.05 and it works fine. I have uploaded it to: http://home.earthlink.net/~digirole/calc/ti89base1.0.exe Feel free to download it. Free web-based email, anytime, anywhere! ZDNet Mail - http://www.zdnetmail.com