Best Casio Scientific Calculators of 2026

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 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 Casio fx-991ES Plus offers an impressive array of features to enhance your calculations. Its natural display allows you to enter and see numerical expressions just as they appear in textbooks, making it easier for you to follow along. With the capability to handle 24 brackets, you can manage complex equations effortlessly. The calculator also includes regression and correlation coefficient functions, which are invaluable for statistical analysis. Plus, it is powered by both solar energy and a battery, ensuring reliable operation in various conditions.

The Casio FX-82DE is an efficient scientific calculator designed to enhance your calculations. Its impressive 63 x 192 full dot natural display allows you to view equations clearly, making it easier to understand complex problems. Being battery operated means you can take it anywhere without worrying about finding a power source. With 325 functions at your disposal, you can tackle a wide range of mathematical tasks. Additionally, the hard case provides protection, ensuring your calculator remains safe during transport.

The Casio fx-83GTCW Calculator is the UK's best-selling scientific calculator, trusted by many students and professionals alike. As an upgraded version of the fx-83GTX, it offers improved functionality, making your calculations easier and more accurate. This calculator is permitted in every UK exam where calculators are allowed, ensuring you can rely on it during important tests without any issues. It is also recommended for use in Key Stages 3 and 4, including GCSE, National and Higher levels, supporting your learning journey throughout school. Additionally, it comes with a clip-on protective hard cover to keep the calculator safe from damage.