The LS-270H handheld calculator was designed to fit your everyday calculating needs. With a large 8-digit liquid crystal display, dual power source and advanced calculating functions, enhanced by an attractive metallic satin finish, the LS-270H has a rich look at an affordable price. The LS-270H's large 8-digit liquid crystal display provides large calculator display size on a handheld unit. The large displayed numbers provide quicker viewing of entries and results to increase productivity while reducing errors. Solar and battery powered capability allows you to get the job done anytime and anywhere regardless of the lighting conditions. The sensitive solar cell generates the power, but when the lights dim, the alkaline battery automatically takes over the power functions to provide non-stop calculating. The LS-270H includes a variety of everyday business and professional functions that enable you to cut through the toughest calculating problems. Business calculations like percentages add-on/ discount, raising to powers, square root and tax calculations, as well as chain multiplication and division come in handy. The built-in memory also lets you add and subtract calculations from a running total stored in the memory.