The Texas Instruments TI-84 Plus CE Graphing Calculator in Radical Red is a handheld device perfect for students and professionals alike. With regular key size and display, this calculator offers basic, financial, and graphing capabilities in one convenient package. Powered by a rechargeable battery, it also features a backlight for easy viewing in any lighting conditions. Additionally, the calculator is programmable and includes features for calculus, making it a versatile tool for solving a variety of mathematical problems.