The Texas Instruments TI-83 Plus Graphing Calculator is a handheld device that is perfect for all your mathematical needs. With a regular key size and display size, this calculator is easy to use and provides accurate calculations every time. The model number is T1 83 plus and it comes with a protective cover included. This graphing calculator is ideal for students, teachers, and anyone who needs a reliable and efficient calculator for their daily work. Whether you're solving complex equations or just need a calculator for everyday use, the Texas Instruments TI-83 Plus Graphing Calculator is the perfect choice. Get yours today and experience the power of this amazing calculator!