The Texas Instruments TI-89 Titanium Grey Graphing Calculator is a handheld device designed for financial, scientific, and graphing calculations. With a regular display size and key size, this programmable calculator from Texas Instruments is powered by batteries and comes with a cover for protection. It features calculus capabilities and is ideal for students and professionals in various fields who require advanced mathematical functions. Made in China, this calculator is a reliable tool for solving complex equations and graphing functions with ease.
eBay