This Texas Instruments TI-Nspire Graphing Calculator is a must-have for any math or science student. With its handheld size, it is perfect for on-the-go use and fits comfortably in your backpack. The calculator features a battery power source and is compatible with a variety of models from Texas Instruments. Whether you are working on complex equations or simplifying expressions, this calculator will help you get the job done efficiently. Its graphing capabilities allow you to visually represent your data and make it easier to understand. Don't let calculus or other math courses discourage you - this calculator is designed to help you succeed. Note: doesn?t come with cover