The Texas Instruments TI-84 Plus Graphing Calculator in black with a cover is a handheld unit with a regular display size and key size. It is powered by batteries and features USB connectivity, calculus functions, and programmability. Made by Texas Instruments in the Philippines, this model is reliable and efficient for various office and business applications. With its compact size and advanced capabilities, the TI-84 Plus is a valuable tool for students, professionals, and anyone in need of a powerful graphing calculator on the go.