This Texas Instruments TI-89 Graphing Calculator is a must-have for any student or professional who needs advanced mathematical capabilities. With its sleek black design and handheld size, this calculator is easy to use and transport. Powered by batteries, it is always ready to go when you need it.

This calculator has been tested and is in great working condition. It is a perfect tool for solving complex equations and graphing functions. With its brand name of Texas Instruments and model of TI-89, you can rest assured that you are getting a high-quality product. The included cover also provides protection for your calculator when you are on the go.