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 Digit Display Size: 77mm x 162mm Functions: 552 Functions (The product printed words depending on the batch, but this does not affect use) Color: Black Material: plastic Package Contents: 1 x Scientific Calculator Only 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.