Calculator with Notepad: This 2-in-1 calculator and notepad lets you take notes while calculating, improving study and work efficiency. The calculator supports calculations up to 12 digits, and the notepad acts as a cover to protect the calculator from dust. Erase notes with a single press of the clear button, protecting your privacy. Lightweight and Portable: This lightweight calculator with writing tablet features a foldable design and weighs only 4 ounces (about 113.4 grams). It's so compact you can slip it into your pocket, quickly take it out, and use it whenever needed, making it easy to jot down calls, quick notes, and meeting minutes. Healthy and Eco-Friendly: The blue light-free LCD screen is easy on the eyes and can also be placed on the table as a notepad when you're not using the calculator. Write repeatedly, reduce paper consumption, and protect the environment – no need for a paper shredder! Silent Design: Made with high-quality silicone buttons, comfortable and suitable for daily computer use. The mute button won't disturb others, making it perfect for the office, study, and various usage scenarios. Extended 1-Year Warranty: This product is backed by an extended 1-year warranty and detailed instructions. If there's any problem during the warranty period, it can be replaced directly. Contact us anytime, and we'll get back to you as soon as possible. Key Features: Calculator and notepad in one Lightweight and portable design Eco-friendly and eye-friendly LCD screen Silent operation Extended 1-year warranty