While firmware version 2.09 is compatible with the TI-89, it's possible that using a different version might resolve the issue. You can try searching for older firmware versions and see if any of them work better for your calculator. super mario bros Check the Contrast: Sometimes, the screen can app...

Ensure Proper Patching: Double-check that you're patching the TICTexplorer files correctly with Ghostbuster. Make sure you're using the correct version of Ghostbuster for your calculator and that you're following the patching instructions carefully. Verify File Locations: Confirm that the TICTexplor...