Automatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount | Calculate the cost, selling price, or margin of profit on an item, given the other two values | Solar powered when light is sufficient, battery powered when light is insufficient | A symbol (+, -, x, /) on the display indicates the status of operation you are currently performing | Rounding selector - F: Floating decimals. CUT: Values are cut off. UP: Values are rounded up. 5/4: Values are rounded off | Decimal selector - 4,3,2,1,0 : 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 operations are stored in a buffer, so nothing is lost even during high-speed input | Larger display makes more data easier to read | Plastic keys - Designed and engineered for easy operation | Profit margin percent key gives quick access to prices and profits, and also delivers add-ons, discounts, ratios and increase/decrease values | Tough cover stands up to rough treatment