The scientific calculator and notepad desk three-in-one folding function calculator supports solar energy and button batteries Compact and Portable Its compact size and lightweight design make it easy to carry around, perfect for on-the-go calculations. Solar-Powered Operation This blixora calculator harnesses solar energy, ensuring reliable operation without frequent battery changes. Certified Safety CE certified, this calculator guarantees safety and quality, making it a trustworthy choice for users. Versatile Three-in-One Design Combining a scientific calculator, notepad, and desk function, this calculator offers multiple uses for various needs. User-Friendly Features With support for coin batteries and a plastic material, this calculator is both practical and easy to use. Portable 10-digit display 6.5-inch scientific calculator with a graphics tablet, stylus and erasure button, suitable for function calculation and general mathematical calculation in offices and schools for students Solar-powered scientific calculator with writing board, functional engineering calculator, financial calculator, suitable for student offices in schools 6.5-inch 2-in-1 portable scientific calculator, LCD screen writing pad, foldable scientific calculator, digital drawing pad with stylus 10-digit large-screen scientific calculators, foldable notebook calculators, and graphic tablet computers are suitable for daily use, office computing, and school mathematics teaching. Silicone rubber keys are noiseless _x000D_ _x000D_