Comprehensive functionality: Equipped with 552 functions, this scientific calculator supports complex arithmetic, engineering, and various mathematical calculations, making it suitable for students and educators. Battery operated: Powered by battery, ensuring reliable performance and portability for use in school, exams, and homework. Designed for education: Features a user-friendly interface and durable design, making it a practical tool for learning and teaching subjects that involve advanced calculations. Screen: 10+2 digit display Display size: 77mm x 162mm Functions: 552 Color: Black Material: Plastic Package contents: 1 x Scientific calculator Note: The product may vary slightly in printed text depending on the batch, but this does not affect functionality. Light reflection and differences in display screens may cause slight variations in color appearance. Measurement error allowance is +/- 1-3 cm.