Works- Battery compartment has some corrosion but as you can see the calculator works fine. Can be cleaned with a q tip and some vinegar. BATTERIES NOT INCLUDED The Texas Instruments TI-89 Graphing Calculator is a handheld device that offers advanced features such as calculus capabilities. With a regular display size and key size, this unit is powered by batteries and is designed for easy portability. Made by Texas Instruments in China, this graphing calculator is a reliable tool for students and professionals alike who require precise mathematical calculations.
eBay