The Casio fx-991 CW is the new upgraded version of the Casio fx-991 EX (Casio'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.

The Casio fx-991 CW is Casio's most advanced scientific calculator with 540 + mathematical functions. The large Natural

Textbook Display shows mathematical expressions like roots and fractions as they appear in your textbooks which increases comprehension because results are easier to understand.

Functions include:

QR code to display graphic representation, Powers, roots, reciprocal, fraction calculations, Advanced statistics, Table of values, Ratio, Equation / Matrix / Vector / Inequality / Probability and Complex Number Calculations, Base-N function (hexadecimal/decimal/binary/octal), Random decimal and integer generator, Hours (Degrees)/minutes/seconds