Best Battery Scientific Calculators of 2025

The Casio FX-85GTCW Calculator is the UK's best-selling dual-powered scientific calculator, perfect for students. It is allowed in all UK exams where calculators are permitted, ensuring you can use it in crucial assessments. This model is recommended for Key Stages 3 and 4, including GCSEs and higher-level exams, providing you with a reliable tool for your studies. The dual power feature, utilizing solar energy with battery backup, means you can depend on it in various lighting conditions, and the auto power-off function helps conserve battery life.

The NEWYES 991ES Plus offers a unique combination of a scientific calculator and a 6.5-inch writing tablet, allowing you to take notes while solving problems. The 417 computing functions cover a wide range of mathematical tasks, making it suitable for students and researchers alike. With its sensitive keys made from premium plastic, you can enjoy a more precise and comfortable experience while calculating. Additionally, the dual power source of solar energy and a replaceable battery ensures you can rely on it for long periods without worry.

The RENUS Scientific Calculator is a professional-grade tool ideal for high school and college students. It can easily perform one and two variable statistical calculations, making it perfect for complex maths. With three angle modes—degrees, radians, and grads—you can adapt it to various mathematical needs. The 12-digit widescreen HD display supports superscripts, helping you to read and manage calculations effortlessly. Additionally, the calculator's record function reduces the risk of double-counting, enhancing your working efficiency.

The Casio FX-991CW Calculator is the UK's best-selling advanced scientific calculator, making it an ideal choice for students. It is permitted in all UK exams where calculators are allowed, providing you with reliability during assessments. This model is approved for Key stages 3, 4, and 5, and is recommended for Advanced GCSE, A/AS level, and Highers, ensuring it meets the needs of various academic levels. Additionally, it features dual power options, allowing you to use it with solar energy or battery backup, so you can rely on it whenever you need it.

The Sharp EL-531 Calculator features a vibrant design with a natural display, making it ideal for quickly solving mathematical and scientific problems. Its large display and D.A.L. Input method enable you to enter formulas in the same order as you would write them, enhancing your understanding and accuracy. Designed for low light conditions, this battery-operated calculator ensures that you can work wherever you are. With 273 pre-programmed functions, including statistics and logical operations, you'll have all the tools needed for secondary school tasks.

The DAJILI FX-991EX Calculator offers an impressive 552 functions, making it ideal for students, teachers, and engineers alike. With its natural textbook display, you can easily interpret complex mathematical expressions without the hassle of confusing symbols. The compact design, complete with a sliding cover, ensures that you can carry it anywhere while protecting it from dust and damage. Additionally, the dual power supply system allows you to rely on solar energy or batteries, meaning you won’t have to worry about losing power during important calculations.

The EastPin Scientific Calculator is an essential tool for students, particularly those preparing for exams like GCSE and A Level. It features a spacious clear pencil case to keep your calculator and stationery organised for easy transport. Designed for precision, this calculator offers rapid calculations with 240 functions, making it suitable for subjects such as Mathematics and Physics. Its dual-line display allows you to easily review your calculations, ensuring accuracy and confidence in your work.

The WECKEW Scientific Calculator is a robust tool designed for students and professionals alike. With 401 functions, you can tackle complex calculations such as trigonometry and fractions effortlessly. The solar-powered feature ensures you never run out of battery during crucial exams, allowing you to focus on your work. Its 2-line LCD display enhances clarity by letting you view both the formula and the result simultaneously, making it easier for you to check your calculations. The durable design ensures it can withstand frequent use, providing long-lasting reliability.

The DUPOTA OA-991ES PLUS is an advanced scientific calculator designed for students and teachers alike. With 417 computing functions, it caters to a wide range of mathematical needs, including statistics and complex number calculations. The dual-line display allows you to view your input and results simultaneously, reducing errors in your work. Moreover, the fraction and decimal conversion feature gives you the flexibility to handle exact values easily, while the memory function lets you save and replay answers, streamlining your study sessions and exam preparations.

The Casio FX-85GTCW is the UK's best-selling scientific calculator, ideal for students and professionals alike. Its dual-powered feature ensures you can rely on solar energy or battery backup, providing convenience during exams and studies. Approved for use in all UK exams where calculators are allowed, it supports your educational journey through Key Stages 3 and 4. With this reliable tool, you can confidently tackle various mathematical problems, knowing it meets the requirements for GCSE and other qualifications.