Heavy-duty Type 12 digits 4.8 line-per-second printingThe value indicates the number of lines printed per second. 2-color printingPositive values are shown in black, and negative values are shown in red for easy checking. Clock & Calendar PrintingPrinting the current time and date. Regular percentRegular percentage calculations. Line printingLine printing for higher speed, superior print quality, and quieter operation. Tax calculationAutomatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount. Cost/Sell/MarginCalculate the cost, selling price, or margin of profit on an item, given the other two values. Mark-up/Mark-downAll the mark-up/mark-down capabilities of an adding machine for simplified cost and profit calculations. Rounding selectorF: Floating decimals. CUT: Values are cut off. UP: Values are rounded up. 5/4: Values are rounded off. Decimal selector4,3,2,1,0 : Specifies the number of decimal places as 4,3,2,1,0. ADD2: 2 decimal places are assumed for entries and results of all addition and subtraction operations. Key rolloverKey operations are stored in a buffer, so nothing is lost even during high-speed input. Extra Large displayLarger display makes more data easier to read. Durable Anti-fade KeysKeys are produced by injecting plastic of two different colors. Key markings are plastic, which means they do not wear or fade with use.