【Multifunctional Calculator】This calculator desktop integrates a calculator and notebook with a stylus pen. No paper is needed, pursuing a paperless approach. You can take notes while calculating, calling, and in meetings to improve your study and work efficiency. 【Large LCD Screen】 This solar notepad calculator has a Large LCD writing tablet. One-key lock and erase functions, plus pressure-sensitive handwriting for varying thickness. Ideal for business, school, or home use. 【Healthy and Eco-friendly】This calculator features a blue light-free LCD screen to protect your eyes, and you can use it as a notepad on your desk when you're not using the calculator. It is re-writable and can be rewritten over 100,000 times. Reduce paper consumption and be environmentally friendly. 【Portable & Convenient】 Compact design with a stylus that fits into a pen slot. Perfect for on-the-go use—carry this basic office calculator anywhere for immediate access. 【Multi-scenario use】This high-quality calculator is strong enough to handle calculations in a variety of environments such as business accounting, school, home, office, etc., and would also be a great choice as a gift. Whether you are a student, a teacher, or a business person, it offers a fast, efficient experience!