The Texas Instruments TI-84 Plus Graphing Calculator in black, is a handheld device powered by batteries, featuring a regular-sized keypad for easy use. This graphing calculator is equipped with USB capabilities and belongs to the TI-84 Plus C model line. Ideal for office and educational purposes, it offers advanced functions and features for solving complex equations and graphing functions. The sleek design and reliable performance make it a valuable tool for professionals and students alike.