【417 Advanced Functions】This scientific calculator offers a comprehensive suite of 417 powerful calculation functions, catering to students and professionals alike. 【Dual Power System】Equipped with both solar and battery power, ensuring long-lasting and reliable operation in any environment. 【Natural Textbook Display】Presents mathematical formulas and results in standard format, enhancing understanding and learning efficiency. 【High-Precision Display】Features a clear 10+2 digit display, supporting advanced operations like integration, differentiation, matrices, and complex numbers. 【Protective Design】Includes a sliding protective cover to guard against dust and scratches, prolonging the calculator's lifespan. 【Comfortable Operation】Circular plastic keys provide a comfortable tactile experience with responsive and accurate input. 【Portable Design】Compact and lightweight, making it an ideal calculation tool for both academic and professional settings. Specifications: Number of Functions: 417 Display Digits: 10+2 Display Type: 2-line display with Natural textbook display Power Source: Dual power (Solar + Battery) Dimensions: 161.5mm x 77mm Weight: 113g