Texas Instruments TI-89 Titanium Graphing Calculator Tested and fully working. All buttons and functions operate properly. Includes original slide cover. Battery compartment is clean and free of corrosion. The back of the slide cover has a small cosmetic mark/damage from previous use. This does not affect the function of the calculator. Please see photos for details. Uses 4 AAA batteries (not included). Great calculator for school, engineering, or advanced math courses. Ships securely packaged.
eBay