Calculate complex numbers, cardinality, matrix, vector, statistics, table, equation/function, inequality, ratio, etc. There are 552 operation functions With a clear and easy-to-read display, it ensures that calculations and results are presented in the clearest way, minimizing errors and enhancing user experience With a wide range of functions, it has excellent versatility and powerful computing power to meet various mathematical and scientific needs Sufficient memory capacity for fast calculations, efficient problem solving and analysis Ideal for students and educators, designed to meet the needs of middle school, high school, college students and teachers, it is a reliable companion for academic and professional use Material: ABS Color: As Shown Battery: Button Battery (one built-in) (The product appearance and printed words depending on the batch, but this does not affect use) Package Contents: 1 x Scientific Calculator 1 x Spare Battery 1 x Screwdriver 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.