Get ready to master your maths with the casio fx 85 classwiz plus scientific calculator. This model is the advanced, upgraded version of the uk's bestseller, designed to make complex calculations simple.ideal for students, this dual powered calculator is officially approved for key stages 3 and 4, and is highly recommended for gcse and higher national examinations. We know exams are tough, but your calculator doesn't have to be. The fx 85 classwiz plus features a high definition, 4 gradation display and a new user interface for easy, intuitive navigation. This makes finding the functions you need quick and effortless, saving you vital time in the classroom and the examination hall.from square roots and fractions to linear equations and matrices, this calculator is equipped to handle all your complex mathematical tasks, helping you focus on learning and achieving your best grades.. The upgraded version of the uk's best selling dual powered scientific calculator. Approved for key stages 3 and 4, and recommended for gcse national and highers, junior and leaving examinations. Features a high definition 4 gradation display for clear viewing. Improved menu navigation with a new user interface. Capable of performing mathematical functions including square root, fractions, integration, complex functions, matrices, linear equations, and polynomial equations. Batteries required 1 x lr44 included. Manufacturer's 3 year guarantee