Scientific calculator and notepad combo allows you to take notes while calculating, helping improve study and work efficiency. Ideal for students and teachers, this lightweight calculator features a built-in writing pad with a foldable design and weighs only 4 ounces. Compact size makes it easy to carry in your pocket for quick access and convenient use. Reusable writing surface helps reduce paper waste and supports environmental protection. No shredding required for note disposal. Quiet design with high-quality silicone keys provides a comfortable typing experience and silent operation, making it suitable for office, classroom, and other environments. Color: Black. Material: Plastic + Silicone. Package includes: 1 x Scientific Calculator, 1 x Pen. Other items not included. Note: Lighting and display differences may cause slight color variations. Measurement may vary by +/- 1-3 cm.