The Texas Instruments TI-84 Plus Silver Edition calculator is a handheld device perfect for students and professionals alike. With its regular-sized keys and display, it is easy to use and versatile for both scientific and graphing functions. This calculator is powered by batteries, making it convenient for on-the-go use. Additionally, its programmable features allow for customized calculations and functions. Made in China, this calculator is reliable and durable for all your mathematical needs. Untested, two for the price of one.