Eight-digit calculator features a compact pocket-size design that can be stored virtually anywhere for business professionals on-the-go. Large LCD provides a crisp clear display to help prevent reading errors. Durable keys are appropriately spaced for fast accurate data entry. Twin-power operation runs on solar energy with a battery backup to deliver consistent reliable performance in any environment. Pocket calculator also includes automatic tax keys percent key three-key independent memory extra-large plus key automatic power down and more. Sharp EL-244WB 8 Digit Professional Pocket Calculator White 1 Each (Quantity)