This calculator is designed for students and is fashionable. This calculator is portable and convenient, small and beautiful. Super thin, H0.19inch,L4.7 inches,W3.15 inches. With a fully transparent screen,Solar powered calculater, battery is no need,made up of plastic and electronic components material.Enjoy calculating from this device as it is transparent so you can easily see the things.This is great for students or professionals who need a quick way to crunch numbers.