Sharp EL-243SB 8-Digit Pocket Calculator, Gray/Blue

This 8-digit calculator features a hinged, hard cover for extra protection when stored. It is a great compact calculator to keep in your bag or briefcase! Large LCD clearly shows each digit to help prevent reading errors. Twin-power operation runs on solar energy with a battery backup to deliver consistent, reliable use. Includes 3-key independent memory, square root key, change sign key, and automatic power down. 3-Key Memory Sign Change Auto Power Off