The Texas Instruments TI-84 Plus Graphing Calculator is a handheld device powered by batteries, featuring a regular display size and key size. Made by Texas Instruments in China, this graphing calculator is designed for office and business use. It offers fast shipping and has been tested to ensure it works properly, making it a reliable tool for calculations and graphing functions. Ideal for students, professionals, and anyone in need of a compact and efficient calculator for various tasks.