Responsive Buttons:This smiple science calculator for school is equipped with responsive buttons that provide a satisfying click with every press, ensuring smooth and accurate performance for both simple and complex calculations.Many of the buttons offer three selection options: Normal, Shift and Alpha to enhance functionality.The durable plastic buttons are designed for comfort and ease of use, with clearly marked functions for quick access.Compact & Protective Sliding Cover: The scientific calculator non graphing features an ergonomically designed sliding cover that protects the keys and display from damage and dust. Its compact, portable design ensures easy storage in a backpack, while the cover provides a comfortable grip and prevents scratches or dings. Perfect for both school and business useLong Battery Life & Power-Saving Design: The basic desk calculator is powered by two AAA batteries (batteries not included) and features advanced energy-saving technology that automatically shuts off after 8 minutes of inactivity. You can also manually turn off the calculator by pressing SHIFT: and then AC: buttonVersatile & User-Friendly:This math calculator is designed for students, engineers, and professionals, suitable for both basic arithmetic and complex mathematical tasks. It is widely used in middle and high school,college math, science classes, as well as exams, engineering projects, and financial calculations. With its intuitive interface, it's easy to use and portable, making it for on-the-go useAfter-Sales Support: We offer comprehensive after-sales support for all our scientific calculators. Whether you have questions or encounter any issues, we are here to offer prompt and effective solutions. Our customer support team will assist you within 24 hours