Manufacturer: Sharp Model: CS-2850 Part Number: CS-2850 12 digits Change sign Grand total and percent Item count Round up/off/down This 12 digit, 2-color print/adjustable display calculator provides quick and quiet performance in a space-saving compact design. Comfortable Cylindrical Step-sculptured Keys keys shaped for fast and comfortable operation. Extra ease is provided by contoured Plus/Equal and Minus/Equal keys. Quick and Crisp 2-Color Printing able to print 12 numerals, 2 symbols, and 3-digit punctuation at a speedy 3.6 lines/sec. in 2 colors (positive numbers in black, negative numbers in red) on standard size paper rolls. Grand Total adds the grand total of several calculations such as the total prices times units on an invoice. Convenient MU Key a MU (Multiple Use) key simplifies many business calculations, saving time and increasing efficiency. It helps handling functions like margin, markup, selling prices, costs, percent changes, calculations, etc. Display 9.6 mm fluorescent blue display with automatic 3-digit punctuation . Additional Features constant mode selector, add mode, round-off/up/down selector, paper-saving print/non-print selector, change sign key, independently accessible 4-key memory, balance mode, square root, item count, and average key. Sharp CS-2850 12 Digit 2 Color Hi-Speed 3.6 LPS Printing Calculator # CS2850, C-S-2850, C-S2850, 2850