Comprehensive Functionality: Equipped with 552 functions, this scientific calculator caters to complex arithmetic, engineering, and other mathematical problems, making it perfect for students and educators alike.Battery Operated: Efficient and reliable battery power ensures that you can use the calculator anywhere without the need for electrical power, making it ideal for school, exams, and homework sessions.Designed for Education: Its user-friendly interface and robust features an essential tool for learning and teaching in subjects requiring complex calculations.Screen: 10+2 DigitDisplay Size: 77mm x 162mmFunctions: 552 Functions(The product printed words depending on the batch, but this does not affect use)Color: BlackMaterial: plasticPackage Contents:1 x Scientific CalculatorOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.