HP Quick Calc is a compact, stylish, and simple-to-use solution for your quick calculations on-the-go, at home, or in the office. It has a unique streamlined design in a variety of colors and can be carried on a key chain, in your purse, briefcase, or car. HP Quick Calc has all the functions you need for quick & easy everyday calculations, including %, memory functions, and constant calculation. The handy magnetic back allows you to attach it to most metal surfaces, and the automatic power-off feature conserves battery life.