The Texas Instruments TI-84 Plus Graphing Calculator is a handheld device with regular key size and display size. It is a basic, financial, and graphing calculator with an LCD display and calculus features. Powered by batteries, this model from Texas Instruments is perfect for students and professionals who need a reliable and efficient calculator for their calculations. Despite the small black marks on the screen, this calculator still provides accurate and precise results for various mathematical functions. Black marking on top screen all works perfectly!
eBay