Casio SL-310SV Ultra Thin 10-Digit Wallet Size Calculator
The Casio SL-310SV 10-Digit calculator features an extra large 10-digit display for clear viewing and durable design. This calculator is ideal for office, home, and school use and provides fast, immediate answers. It comes with a protective case to keep it from getting damaged when not in use. It is solar powered with battery backup. It automatically powers off after ten minutes of non use to save battery life.