Innovera® 15973 Large Button Calculator, 12-Digit, LCD

A stylish home or office essential that is ideal for everyday equations and calculations. Large 12-digit display and keys for easy viewing and clicking. Dual solar/battery power provides reliable functionality in all lighting conditions. Completely flat design for easy storage. Features square root, +/- Switch, and Percent keys help to easily find the answer to more complex calculations. Power Source(s): Battery; Solar; Display Notation: Numeric; Number of Display Digits: 12; Display Characters x Display Lines: 12 x 1.