Calculator Design: （Batteries not included）Algebra and fraction calculator with large screen and 12-digit displayThe LCD display of the scientific calculator provides a better visual experience, offering ideal visibility while being very practical. Two separate screens show the calculation process and the result, preventing errors or forgetting what you have calculated, making it very handy and convenient. Multiple Calculations: The calculator includes a wide range of calculation functions, not only for PI and exponential functions, but also for permutations and decompositions. It can also be used for basic calculations, statistical calculations and fraction calculations. High Quality Materials: : Made from high quality plastic, this desktop calculator is lightweight, portable, durable and has ergonomically designed comfortable keys. The special sunken on button prevents accidental touching of the button to clear calculations and also prevents accidental switching on of the calculator when it is switched off and wasting power，Smart power on, automatic power off after 6 minutes of inactivity Multi-scene use: This practical multifunctional scientific calculator is suitable for use in secondary schools, universities, primary schools, engineering schools, accounting offices and other study or office premises.