Large 10-digit LCD display for intuitive and clear calculation results, reducing input errors. Lightweight and portable design for easy carrying in bags, pockets, or wallets. Dual power sources of solar energy and button batteries for energy-saving operation. Multifunctional scientific calculator integrating calculator, notebook, and pen functions for improved efficiency. Wide range of uses for white-collar workers, financial workers, supermarket cashiers, and students to meet various computing needs. Description: Introducing the calculator, a versatile and efficient tool designed to meet all your mathematical needs. With its large 10-digit LCD display, this calculator provides clear and intuitive calculation results, reducing the possibility of input errors. Its lightweight and portable design makes it easy to carry around in bags, pockets, or even wallets. Powered by dual sources of solar energy and button batteries, it is energy-saving and convenient for use anywhere. This multifunctional scientific calculator integrates the functions of a calculator, notebook, and pen, making it an excellent mathematical tool for various scenarios. The paperless design is environmentally friendly and improves learning and work efficiency. Additionally, the built-in handwriting pad writing function offers a durable, dust-free, and ink-free writing experience that is safe and eye-friendly. Whether you're a white-collar worker, financial worker, supermarket cashier, or student, this calculator is perfect for meeting your computing needs. Get your hands on the calculator today and simplify your calculations with ease! Item Name: Calculator Material: Plastic Battery Model: 1 x Button Battery(Included) Function: Multifunctional Type: Album Style Features: Erasable Writing Board, 10 Digits, LCD Display Size Details: L: 15.8cm/6.22", W: 8.9cm/3.5" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Calculator 1 x Writing Pen