Casio DM-1400F Calculator includes: Tax calculation - Automatic calculation of price plus tax, price less tax, discount, selling price, tax amount, discount amount, and margin amount; 14 digits; Regular percent - Regular percentage calculations; Solar & Battery. Features: Desktop Type; 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. Size of case / Total weight: Dimensions (D x W x H): 205.5x149.5x35.1mm; Weight: 250g