The OEM Sharp Printing Calculator SHREL1197PIII features a large 12-digit blue fluorescent display and prints at 4.5 lines per second in two colors. This heavy-duty calculator includes a 4-key memory, clock/calendar, and functions for markup/profit margin, as well as floating/fixed decimal options. Additional capabilities include add mode, constant modes, item count, conversion/average/time calculation, and grand total. It operates on AC power and is equipped with Microban antibacterial protection to inhibit the growth of bacteria, mold, mildew, and fungus.