Brand: DUPOTA

Are you looking for a calculator that can keep up with your learning pace? The DUPOTA 991es plus calculator school scientific is your ideal choice, combining advanced mathematical functions with daily usability. This is a device that supports both solar and button battery power supply methods.Powered by solar panels when there is enough light, energy saving; while when there is insufficient light or long-term use, the button battery ensures that you can continue computing without worrying about power issues. With 417 functions, 10+2 digits and a 2-line display, they are perfect for any set of geometric figures, making mathematical equations easily applicable in education, the workplace and the home. The function calculator is equipped with a high-definition LCD display to ensure that the numbers are clear and easy to read. Even if the light is low, you can easily identify the calculation results, making it more convenient for you to use.scientific calculator for secondary school?high school calculator let students no longer be troubled by complicated arithmetic . In addition to basic calculation functions, this scientific calculators also has some smart functions, such as automatic storage, memory functions, scientific calculator with sd button etc. Make your calculation process more convenient and efficient. DUPOTA 991ES Plus scientific calculator has become an indispensable tool in study, work and research with its excellent performance, rich functions and excellent quality. No matter what scenario you are in, it can provide you with accurate and fast calculation support. Come to Amazon to buy it and let DUPOTA 991ES Plus solar calculator become your right assistant in study, work and research!

• ?Exam Compliance?Complies with STEM-approved standards with exam-mode features that disable advanced functions (local policies may vary). Includes anti-cheating design and clear exam-mode instructions-trusted by educators for standardized test prep.
• ?Natural Formula Visualization?Displays fractions, integrals, and equations in a Classroom-standard format. Step-by-step tracking helps students understand problem-solving logic, while teachers can demonstrate derivative calculations from four perspectives.
• ?417 Calculation Functions?Engineered for STEM curricula, supporting matrix operations (up to 4x4), vector calculations, 40 metric conversions, and 9 variable memories. Ideal for use in schools, offices, and business, meeting the needs of various fields.
• ?Professional-Grade Durability?Shock-resistant design with a 3-layer protective case (scratch-resistant screen, reinforced buttons, and impact-absorbing frame). Dual power (solar/LR44) enhances energy efficiency-built to withstand daily classroom use and backpack tosses.
• ?Ergonomic Learning System?Reduces neck strain during extended use. Features a variety of function keys to simplify complex calculations, including the ‘S-D’ button for toggling between fractions and decimals, making exact value calculations effortless.