Free
Selling my TI89 Titanium calculator for $80 or best offer. Original store price is $180. In new condition. Pickup on campus. email me or text me at 847-220-4927.
It has incredible functionalities for its price: https://education.ti.com/en/products/calculators/graphing-calculators/ti-89-titanium
Useful for math competitions, classes, research, every day life
Please do not message this poster about other commercial services.