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School Calculator – 10-Digit Display for Study and Office UseModel: 819B Designed for students and professionals, the HY 819B School Calculator features a 10-digit large LCD screen, delivering clear visibility and reliable performance for a wide range of mathematical tasks. Compact and lightweight, this calculator is perfect for classrooms, exams, and everyday office calculations. Key Features: ✅ 10-Digit Display: Ideal for accurate and fast calculations ✅ Ergonomic Design: Slim body (9.3×2.9×14.9cm) for comfortable handheld use ✅ Battery Powered: Uses 1x AAA battery (not included) ✅ Durable ABS Material: Built to withstand frequent student or office use ✅ School-Friendly: Easy to use and compliant for most exam settings ✅ CE Certified: Quality assurance for international markets Applications: Perfect for schoolwork, homework, test preparation, and general office calculations.