This Sharp EL-1197P III heavy duty ribbon calculator features a large 12-digit display with a 2-color printing function, perfect for clear and precise calculations. It includes tax, GT, AVG, and conversion functions, along with calendar and clock functions for added convenience. The calculator also supports time calculation and has a large blue fluorescent display for easy readability. It comes with its original box and instructions, showing minor signs of use but in very good working condition.have not tested with ink.