Ultra-compact 8-digit calculator features high recycled content, an extra-large liquid crystal display, dual power source and advanced calculating functions. Upper and lower casing is made from a high percentage of recycled plastic. Business calculations include percentages add-on/discount, raising to powers, square root and tax calculations, as well as chain multiplication and division. Built-in memory also lets you add and subtract calculations from a running total stored in the memory. Otherfunctions include markup calculations and sign change. Solar and battery powered capability allows you to get the job done anytime and anywhere regardless of the lighting conditions. Sensitive solar cell generates the power, but when the lights dim,the alkaline battery automatically takes over the power function to provide nonstop calculating. Calculator shuts off automatically after seven minutes of nonuse. Calculator features a champagne gold sprays design and includes a wallet case.