Casio DH-140 Desktop Calculator – 14 digit, tax calculator
Key Features:

• Regular percent: Regular percentage calculations.
• Tax calculation: Automatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount.
• Solar & Battery: Solar powered when light is sufficient, battery powered when light is insufficient.
• 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 rollover: Key operations are stored in a buffer, so nothing is lost even during high-speed input.
• Extra Large display: Larger display makes more data easier to read.
• Plastic keys: Designed and engineered for easy operation.
• Metal Faceplate: Tough cover stands up to rough treatment.