Casio FX-991CW+ Advanced Scientific Calculator

The Casio fx-991CW+ UK is the ultimate scientific calculator, and is allowed in every UK exam where a calculator can be used.

Recommended and approved for Key Stages 3, 4 and 5 (including GCSE Higher, GCSE Further Maths, AS/A Level Mathematics and Highers).

The fx-991CW+ UK is now even better and includes all the functionality you will find in an entry level scientific calculator with further improvements based on feedback directly from teachers and educators, improvements include:

Ultimate Advanced calculator with new functionality such as; HCF, LCM and recurring decimals
S<>D is easily accessible in one-press via the updated FORMAT key toggle
Shortcuts are readily available in all menus by using the represented number keys for efficient navigation
Standard Form conversion via [shift] FORMAT menu
[shift] CATALOG provides quick access to most used functions
A calculator designed and optimised for UK curriculums


You will continue to appreciate:
Large and clear HD Natural Textbook Display, it shows mathematical expressions as they appear in textbooks
540+ functions including solving quadratics, inequalities and finding distributions
Practical apps for teaching, learning and assessment
Solar powered with battery back up and auto power off
Intuitive key layout and menus, quick and easy to navigate to access more functionality
4-tone input display with an improved font
Responsive keys that work when pressed at any angle
A clip-on protective cover
Free 3-year guarantee included