Casio FX-85GT CW Black Solar Scientific Calculator

Key Features

Casio fx-85 is the UK's best-selling dual-powered scientific calculator.
FX-85GT CW is the new upgraded version of the fx-85GT X.
Allowed in every UK exam where a calculator can be used.
Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving.
Dual powered, solar with battery back up and Auto power-off.
Clip-on on protective hard cover included.
3 year guarantee.
Large and clear high definition Natural Textbook Display shows mathematical expressions as they appear in textbooks.
New intuitive key layout and menus, quick and easy to navigate to access more functionality.
290+ functions.


Scientific and Statistics



Degrees/Radians/Gradians, Trigonometric functions
Roots & powers, Reciprocals
Factorials, Combinations and Permutations
Exponentials and Logarithms
Hyperbolic and inverse hyperbolic functions
Coordinate conversion, Negative Indicator
Expression editing, Linear regression
Logarithmic and exponential regression
Quadratic regression, Power regression
Reciprocal regression


Functions and Features



Statistics, Table of values
Ratio, 9 variable memories and list
Fractions, Recurring Decimals
Digit Separator, Decimals: normal, fixed, standard form
Square and Square root
Prime Factorisation, HCF, LCM
Random decimals and integers
Brackets, Hours/minutes/seconds
Multi-replay, Back step
Backspace/delete, Reset, Catalog


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The Casio fx-991 CW is Casio’s most advanced scientific calculator, providing 540 + functions and is suitable for Key Stages 3,4 and 5, to include A /AS level.