Casio Classwiz Advanced Scientific Calculator Dual Powered FX-991CW-W-UT

The Casio fx-991 CW is the new upgraded version of the Casio fx-991 EX (Casioâ€™s most advanced scientific calculator), containing additional features, to include a high definition display and improved menu navigation. Approved for Key stages 3, 4 and 5, recommended for Advanced GCSE, A/AS level and Highers. Allowed in every UK exam where a calculator can be used.