Advanced Battery-Powered Mechanical Calculator: Crafted from ABS material and featuring a design that mimics a mechanical keyboard, our calculator offers large, retro round keys that are tactilely responsive and easy to use. This aesthetically pleasing unit comes with 1 AAA battery. Enhanced Visibility: Enjoy the clarity of a specially modulated pigment on the 12-digit LCD screen that ensures numbers are displayed sharply and are easy to read. This large display is perfect for detailed calculations, making it ideal for both professional and educational settings. Efficient Typing Experience: This typewriter-style calculator is equipped with a 10-key layout, featuring large buttons similar to a computer keyboard, which are easy to press and reduce input errors. This design ensures accuracy and speed in your calculations. Practical Design for Everyday Use: Our aesthetically designed calculator is optimized for stability with a layout that sits comfortably on desks, countertops, and tables. Its moderate size makes it portable while maintaining ease of use, perfect for dynamic office environments. Versatile Functionality for: perfect for financial analysts, banking professionals, and data analysts, this calculator supports basic calculations essential in business, retail, school, and home office scenarios. Its reliability and user-friendly design make it an indispensable tool in any professional setting. Note: Appearance may vary from batch to batch, but it does not affect use. Color: As shown Material: ABS Package Contents: 1 * calculator (silent version) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.