Decimal switch, rounding switch, average, percent, constant calculation, double zero, and grand total functions to solve many additional mathematical problems Powered by any standard AC outlet, eliminating the need for expensive batteries 4-key memory keeps often-used figures accessible for speedier calculations Color Printing for Addition and Red for Subtraction The Sharp EL-1197P drum printing calculator is an indispensable tool forheavy offices uses. The EL-1197P has a large 10-digit blue fluorescent display and prints characters in black at 3 lines per second on standard paper rolls. The EL-1197P has four-key memory (memory plus, memory minus, andrecall/clear) and special functions keys including grand total, addingmode, constant, double zero key, mark-up/profit-margin key, item counter, androunding settings. Rely on Sharp’s independent memory for consistentreckonings. Decimal settings are adjustable from floating to fixed decimalplaces (6-3-2-1-0). Great for storing any miscellaneous items or your spare change. Overall dimensions: 4 1/2″ x 2 1/2″ x 2 3/4″.