Ti-83 Plus Graphing Calculator w/Case Powers on, Screen Graphics Are Scrambled

Powers on but screen shows lines (shown in photos) The Ti-83 Plus Graphing Calculator by Texas Instruments is a handheld device powered by batteries. It features regular-sized keys and is specifically designed for graphing functions. Despite the screen graphics being scrambled, the calculator caking still powers on. Perfect for students, professionals, and anyone in need of a reliable graphing calculator on the go.