Sharp Calculators EL-334WB 12-Digit Professional Large Desktop Calculator, 4-Key Memory, Sign Change, Backspace Key, Auto Power Off, Double Zero, 12 Digits, LCD, 0.6" Height x 4.4" Width x 6.6" Depth, White, Desktop

12-digit calculator with a kickstand features an extra-large LCD that displays crisp, clear digits to prevent reading errors. Durable keys are appropriately spaced for fast, accurate data entry. Cost-sell-margin keys simplify profit margin calculations by allowing you to enter two variables and automatically receive the third variable. Backspace key allows you to make quick, single-digit corrections for time-saving use. Twin-power operation runs on solar energy with a battery backup to provide consistent, reliable performance in any environment. Desktop calculator also includes grand total key, double-zero key, automatic tax keys, four-key independent memory, automatic power down and more.