The Texas Instruments TI-83 Plus Graphing Calculator is a handheld device powered by batteries, featuring an LCD display for easy viewing of calculations and graphing functions. This model is known for its regular key size and display, making it ideal for students and professionals in various fields. Made by Texas Instruments in China, this graphing calculator is a reliable tool for solving complex equations and creating graphs with ease. With the added convenience of a slide cover, this calculator is a practical and efficient choice for everyday use in office or school settings. 1 Texas Instruments graphing calculator as pictured and described! This calculator is in excellent pre owned condition with minimal signs of wear, please see pictures for closer details! This item will ship fast and secured at the time of purchase! If you have any additional questions or concerns please feel free to contact me! Thanks for looking!