3-in-1 Design: The solar calculator is equipped with a notepad and a stylus. You can take notes while calculating without paper, which improves learning and work efficiency, saves time, and is more convenient.

Dual Power Supply & 12-Digit Display: This calculator supports battery (CR1220) and solar power, with two power supply methods, it is more suitable for long-term use. The solar calculator is equipped with a 12-digit display and an LCD writing board.

Portable & Slim: This upgraded calculator is slim and lightweight (only 115g). The folded design protects the sketchpad surface and is easy to carry. You can put it anywhere, such as in school bags, briefcases, pockets, etc.

Silent & One-Button Erase: This desktop calculator uses silicone buttons to keep quiet during use. There is a button at the bottom of the writing board to clear the screen.

Multifunctional Calculator: This multifunctional calculator can be used as a calculator and can also be used for drawing exercises. It is easy to use, suitable for students, teachers, and business professionals. We offer a 1-year warranty and 24-hour fast customer service. If you have any questions, please feel free to contact us.