- Dual Functionality: This versatile device seamlessly integrates a 12-digit solar calculator and an LCD writing board, making it perfect for students, professionals, and anyone who needs to perform calculations while jotting down notes or brainstorming ideas. - Solar-Powered Efficiency: Operates entirely on solar energy, eliminating the hassle of battery replacements. The bright LCD display ensures your calculations are clear and visible in various lighting conditions. - Eco-Friendly Writing Board: The built-in LCD writing surface allows you to easily take notes, create reminders, or sketch ideas using the included stylus pen. You can erase with a simple button press, minimizing paper waste and keeping your workspace organized. - Portable and Durable: Constructed from robust ABS material, this lightweight calculator measures 26.8 x 16.7 x 1.7 cm, designed for easy one-handed use, making it an ideal companion for classrooms, offices, or business travel. Use Scenarios: 1. Classroom Use: Perfect for students to perform math calculations while taking lecture notes or drawing diagrams, enhancing learning efficiency. 2. Professional Settings: Ideal for meetings where quick calculations and note-taking are necessary, helping you stay organized and focused. 3. On-the-Go Solutions: Great for business trips or travel, allowing you to manage finances and jot down important ideas without the need for extra paper or devices.