The CBR 2 can work with the TI-89 Titanium through the I/O port of the CBR 2. It does not work through the USB port on the calculator. For a calculator program, you will need the Ranger program accessed using the link below. RANGER.zip Published: January 23, 2006. Updated: April 19, 2024.
can work with the TI-89 Titanium 
through the I/O port of the CBR 2. It does not work through the USB port on the calculator. For a calculator program, you will need the Ranger program accessed using the link below.