About this item **Large Dual-Line Display and Big Button Design**: This desk calculator features a clear 12-digit large screen that supports dual-line display, allowing you to view the input formula and the previous result simultaneously, simplifying complex calculations. The wide button design is comfortable to use, ensuring precise input even during extended use **Smart Voice Broadcasting and Volume Adjustment**:Office calculators equipped with a built-in voice broadcasting function that provides real-time feedback on key presses and calculation results, the calculator can read out complete values (e.g., "four thousand two hundred thirty-one") or read each digit individually (e.g., "four two three one"). The volume can be adjusted to levels 0-3 to suit different environments **Multi-Functional Operations and Efficient Memory Functions**:Basic calculator supports basic operations including addition, subtraction, multiplication, and division, as well as percentages and square roots. The independent memory addition and subtraction keys allow you to easily store and manage calculation results, and you can modify input numbers during the calculation process, enhancing efficiency **Flexible Decimal Point Settings and Full-Screen Display**: Offers four decimal point handling options, including rounding up at 5, rounding whole numbers only, truncating digits after the decimal point without rounding, and setting the number of decimal places displayed. In full-screen mode, the calculation results can display multiple digits after the decimal point, ensuring clarity **Stability and Wide Applicability**: Equipped with four non-slip feet to ensure the calculator remains stable on the desk, it is suitable for various environments such as offices, homes, schools, shops, and banks. Its simple and intuitive design makes it easy to use for daily calculation tasks › See more product details