Welcome to the shop! Features: Integrated calculator and notepad design allows for note-taking and drawing while calculating, improving study and work efficiency. The blue light-free LCD screen protects your eyes. The reusable surface reduces paper consumption and is environmentally friendly. The calculator supports calculations up to 12 digits. A writing pad is conveniently located below the calculator for note-taking. Compact and portable, this calculator easily fits in your pocket, convenient for taking calls, notes, and meeting minutes. Made of high-quality materials, this calculator is sturdy, durable, resistant to damage, and boasts a long lifespan. Specifications: Item Type: Calculator Writing Pad Material: LCD, ABS Color: White Product Size: Approx. 16 x 9.3 x 1 cm / 6.3 x 3.7 x 0.4 inches (manual measurement, slight error possible) Battery Type: Button Battery (built-in) Battery Model: CR2032 Battery Capacity: 240mAh Voltage: 3V Package Includes: 1 x Calculator Writing Pad 1 x Stylus 1 x User Manual Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide the best solution!