The Texas Instruments TI-84 Plus Silver Edition Graphing Calculator is a handheld device with a regular-sized display and key size. Powered by batteries, this graphing calculator features an LCD display and is specifically designed for solving complex mathematical equations and graphing functions. It is a popular tool for students and professionals in various fields such as engineering, math, and science. The TI-84 Plus Silver Edition comes with a cover to protect and store the device.