Welcome to our store! This calculator and notepad combo is the perfect tool for boosting your study and work efficiency! Take notes and calculate simultaneously. Supports 12-digit calculations, and the notepad acts as a protective cover for the calculator, keeping it dust-free. Erase notes instantly with the clear button, protecting your information. Its foldable design makes it small and portable – easily slip this calculator into your pocket for quick access. The blue light-free LCD screen protects your eyes. Write repeatedly, reducing paper consumption and promoting eco-friendliness. Features high-quality silicone buttons for comfortable use. The silent design makes it ideal for offices, studies, and various other settings. Item Type: Calculator Desktop Material: LCD, ABS Color: Black Product Size: Approx. 15.1 x 9 x 1.3cm / 5.9 x 3.5 x 0.5in (Manual measurement, there is a slight error) Battery Type: Lithium Battery (Built-in Battery) Battery Model: 402020 Battery Capacity: 120mAh Product Features: 6in Handwriting Board, No Sound, 12 Digits Display 1 x Calculator Desktop 1 x USB Cable 1 x User Manual 1 x Stylus Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!