Texas Instruments Ti 89 Titanium. Electronically upgradable graphing calculator gives you the most up to date functionality and software applications apps about 188 k bytes of user available ram. About 2 7 mb of user available flash rom for data archive and apps.
It has a unit area of 160 100 pixel resolution large amount of memory flash and lcd screen. The ti 89 is a graphing calculator developed by texas instruments in 1998. Texas instruments ti 89 titanium graphing calculator packaging may differ renewed 3 8 out of 5 stars 22.
The ti 89 is a graphing calculator developed by texas instruments in 1998.
Texas instruments ti 89 titanium graphing calculator with guerrilla military grade screen protector set certified reconditioned. The backup battery is already installed and the aaa batteries are provided with the product. The ti 89 titanium uses four aaa alkaline batteries and one button cell backup battery. This calculator has a qwerty keyboard and hence some thought it was a computer.
