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. Functions include QR code to display graphic representation, powers, roots, reciprocals, fraction calculations, advanced statistics, table of values, ratios, equation/matrix/vector/inequality/probability and complex number calculations, base-N function (hexadecimal/decimal/binary/octal), random decimal and integer generator, and hours (degrees)/minutes/seconds.
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