- Extensive Functionality : The scientific calculator includes 401 functions essential for students from middle school to college. Key features include fraction operations, matrix calculations, statistics, calculus, complex number calculations, equation solving, standard deviation, vector calculations, and permutations/combinations. This comprehensive range ensures you have the tools necessary for coursework and exams. - Adjustable Brightness : Enjoy optimal visibility with the adjustable screen brightness. Dimming helps reduce eye strain during long study sessions, while increased brightness enhances clarity for precise calculations. - User-Friendly Dual-Line Display : The 2-line display allows for easy input and review of calculations. View both your entered expressions and the results simultaneously, making it easier to verify your work and understand the calculation process. - Reliable Dual Power Source : Designed for continuous use, this calculator operates on both solar and battery power. This dual power source ensures reliability, sustainability, and energy efficiency, allowing you to focus on your studies without interruptions. - Practical Use Cases : Utilize this calculator for various applications, such as solving complex calculus problems in a college math course, performing statistical analysis for science projects, or managing geometry calculations in high school. Its versatility supports your academic needs across different subjects. This scientific calculator is a practical and efficient tool designed to enhance learning and improve performance in mathematical tasks.