Casio DF-320TM 12 digits Office Desktop Calculator
Key Features:

• Time calculation: Time calculation allows easy input and calculation of hour, minute, and second values.
• Cost/Sell/Margin: Calculate the cost, selling price, or margin of profit on an item, given the other two values.
• Solar & Battery: Solar powered when light is sufficient, battery powered when light is insufficient.
• Function command signs: A symbol (+, -, , ) on the display indicates the status of operation you are currently performing.
• 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.
• Tax & exchange function: Tax calculation and currency conversion functions.
• Profit margin percent: ” % ” key gives quick access to prices and profits, and also delivers add-ons, discounts, ratios and increase/decrease values.
• Metal Faceplate: Tough cover stands up to rough treatment.