Calculator

In the examination, time is the most important resource, and therefore your calculator must compute expression quickly. The latest Scientific Calculator from Casio, fx-991EX ClassWiz is 4 times faster than previous model fx-991ES Plus and having 4 times better resolution for easier viewing. ClassWiz has an intuitive user interface and high-performance functions, so ideal for education. It is most recommended by teachers across the world for students community from school to college and university level.