Welcom to Goohae Standard Calculator 12 Digit Desktop Large Display And Buttons Calculator With Large LCD Display For institution Home & Business Use Automatic Sleep Features: . Pen 12-digit calculator is perfect for completing basic numerical calculations, making it ideal for , primary institution , market, or even home use. It features big, sensitive keys that are easy to down and offer quick data entry. The mechanical buttons offer a responsive and satisfying click with each press, similar to a mechanical keyboard, improving the overall user experience and precision of data entry. Equipped with functions like memory recall, percentage calculation, and more, it meets a variety of computational needs. . Pen calculator is portable and small in size at 6.2 x 4.4 inches, so it doesn't take up much desk but is comfortably sized for easy usage. It also has a large 12-digit display, increasing its visibility from any angle. Operating on just one AAA battery (not included), this calculator is designed with an automatic shutdown feature that activates after 10 minutes of inactivity, conserving battery life and ensuring longevity. . Pen calculator is the perfect tool for quickly dealing with everyday calculation problems in various settings such as institution s, offices, or even at home! It offers a fast, efficient, and user-friendly experience that makes it an ideal choice for anyone looking for a reliable calculator. Product Description: Mechanical Calculator - 12 Digit Large LCD Display, with Big Buttons Material: Plastic Color: as the picture shows, (Due to the difference between different monitors, the picture may have slight color difference. please make sure you do 12-Digit Display: Large LCD screen shows clear calculations from any angle. Mechanical Key Feel: Satisfying button clicks mimic premium keyboards for accurate data entry. Energy Efficient: Auto-shutoff after 10 minutes preserves single AAA battery life. Portable Size: 6.2x4.4 inch compact design fits easily in bags or desk drawers. Vibrant Pink: Adds a pop of color to brighten up office or study spaces.