Easy to operate; Body & keys made from recycled materials of Canon(R) copiers; Extra-large LCD; Adjustable tilt display; Decimal positions: A, 4, 3, 2, 0, F; Includes commands such as percentage, tax functions, square root, sign change, memory keys & grand total; Ideal for school or home office; Champagne gold color; Solar & battery powered; Includes CR2032 battery;