For use at home or at work the environmentally friendly SL-305ECO pocket calculator helps protect our environment. It comes equipped with a casing made from recycled plastic and is powered by eco-friendly solar energy combined with a mercury-free battery. Features include a large 8 digit display plus currency converter and Tax calculations
Sign Change Key 4 Constants (k) 3 Digit Comma Marker Tax Calculations Key Rollover Currency Conversions 3 Key Memory Power Supply: Dual Powered / Solar and Battery