OSALO Scientific Calculator 252 Functions Secondary School Maths OS-82ES-2 | Dual Power Solar Battery Math Scientific Calculators for Secondary School & GCSE Exams, 2 Line Written Display

【Dual Power for Reliability】Dual power sources—solar and battery—ensure continuous functionality, even during critical exams or assignments. When the battery is low, solar power keeps the calculator running smoothly, offering you peace of mind. 【Fraction-decimal Conversion】The scientific calculator has sd keys that seamlessly convert between fractions and decimals, ensuring accuracy and making it easy to work with precise values. 【Smart History and Quick Recall】With the smart history feature of the scientific calculators, you can quickly retrieve and effortlessly reuse or edit previous formulas, whether you are working with complex equations or common calculations. Say goodbye to repeated input and enjoy a more streamlined and efficient experience. 【Textbook-Like Written Display】Featuring a written display format that mimics textbook expressions, this calculator makes reading and input easier than traditional models. The 2 line display shows both input and calculation results, convenient for students to check the calculation process and results. 【252 Functions Scientific Calculators】With 252 functions for Basic calculations, Variable statistics, Prime factorization, Differentiation calculation, Integration calculation, etc. The scientific calculator covers most of the scientific functions that middle school students will need to use in their courses and exams. Reading the accompanying instructions will help you understand how to use and find these functions.