Sharp 8-digit pocket calculator, el233sb, 2-1/4″ x 3-3/4″ x 1/2″, grey/white eight-digit wallet calculator features a large lcd screen, plastic case, and durable plastic keys. Functions include three-key memory, percent, square root, percent keys and automatic power off. Battery-powered calculator weighs 1.2 oz. Lr1130 battery is included. functions three-key memory square root percent calculator features big display auto power off includes pocket calculator lr1130 battery larger quantity quotes available. Please call 1-888-978-7759. this product arrives to most customers in 2-3 business days.