Handheld calculator features an antimicrobial case to reduce the growth of bacteria and extend the life of the product, The large, 10-digit display with a tilt head offers easy viewing of your calculations, Functions include clear entry, shift key, reset button, memory add, memory subtract, memory clear, square foot, percent, markup key, add, subtract, multiply, divide, on/clear key, and tax +/- key, ROHS certified calculator runs on solar and battery power and includes the required 1, 5 volt battery, SKU: SPRCH31193