Features: This innovative handwriting calculator combines a responsive writing pad with a scientific function calculator, featuring 100+ math formulas and 95% accurate character recognition. Its 50% larger clear screen displays complex equations clearly, while the lightweight ABS construction enhances durability. For students tackling algebra exams, engineers verifying field calculations, and traveler. Simplifies trigonometry homework at your dorm desk, verifies physics equations during lab, or quick budget estimates during business trip. Choose from vibranted color option for your style while mastering STEM challenge, blending academic precise with modern design. Specifications: Material: Plastic Size: about 165x152mm/ 6.5x5.98in Product Type: Scientific Calculator Display digits: 12 digits Product color: optional Package Includes: 1PC Writing Board Calculator note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.