Find accurate answers to tough equations with this Sharp financial calculator. The dual-power system uses solar power and a battery backup to ensure uninterrupted operation, while the 12-digit LCD display features large, easy-to-read numbers. Color-coded keys let you quickly find functions for efficient calculations. The convenient multiple use key takes the guesswork out of determining margin, markup, cost and percent changes. With a host of different modes, including round up and down, this Sharp financial calculator provides flexible use options. Commercial desktop calculator with 12 digit LCD display. Calculator is perfect for desktop use either at home or in the office. Dimensions: 6. 89"H x 7. 28"W x 0. 71"D. Calculator works on one CR2032 battery and also have solar panel for emergency power supply. Four key independent memory plus second two-key memory. Simplifies your work with useful functions: margin, markup, selling prices, costs, percent changes. Also calculator has plus and minus equals keys, change sign key, backspace key, double zero key, automatic power down, and constant and sigma mode selectors. 1-year manufacturer limited warranty. Balance accounts and ledgers with this Sharp QS-2130 12-digit financial calculator.