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fx-83GT CW entry-level scientific calculator
New ClassWiz+ range launched January 2026.
Our entry-level scientific calculator, the UK’s best-selling, has been upgraded to the latest ClassWiz technology.
It features a brand-new interface with scrolling menus, all mathematical functions available in a single key and a new crystal-clear display.
You’ll really appreciate:
• natural maths display
• scrolling menu navigation
• simplified keys with main functions
• easy-to-use number formatting
• 4-tone input display with a new font
• keys that work pressed at any angle
• the clip-on cover
You get all the functionality you need for maths up to GCSE, with calculations, statistics, table of values and equivalent ratio. We’ve added brand-new functions such as highest common factor, lowest common multiple and probability simulations. Check out the full spec here [link to functionality table].
Fancy solar power? Take a look at the fx-85GTCW.
- Description
- Specification
Our entry-level scientific calculator with arithmetic and scientific calculations, statistical calculations including quartiles, table of values for up to two functions, and calculation of equivalent ratios. There is a Maths Box with probability simulation, number line and unit circle display.
The new interface features scrolling menus, all mathematical functions available in a single catalogue key and number formats available in a format key. The new display has a new font and 4-tone input for extra clarity.
Suitable for all levels up to GCSE and for basic professional work.
CALCULATION: arithmetic, trigonometry, logarithms, exponential, hyperbolic, equivalent ratio, number line
STATISTICS: mean, standard deviation, quartiles, regression
FUNCTIONS: table of values (2 functions),
SIMULATION: dice roll, coin toss
POWER: Battery
ClassWiz+ has just launched
Our entry-level scientific calculators, the fx-83GT CW+ and fx-85GT CW+ have been updated to make them even more useful in the classroom. We’ve taken on board feedback from teachers and maths professionals and introduced a number of practical improvements, including:
• 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 in format menu
• Shift Catalog for easy access to functionality
Your feedback drives these improvements!
Skills Resources for fx-85GT CW
The intended audience and use for these videos are those outlined in the JMC report on Maths technology:
- For Teachers and Students looking for support on their calculator
- For Teachers to be able to show these videos in class as part of lessons
earn how to navigate ClassWiz CW scientific calculators using the navigation key…
How to reset the calculator, with options for resetting variable memory or not….
Learn how to calculate with fractions and recurring decimals using the fx-83GT C…
How to store answers and values in memory, and use memory in calculations….
How to check your ClassWiz calculator is a genuine Casio, and how to get help an…
Learn how to perform harder fraction calculations using ClassWiz scientific calc…
ClassWiz: Maths Functions – fx-991CW What’s changed? Advanced Functions…
Learn how to calculate key statistical measures from a list of values or a frequ…
How to calculate powers and roots of any number The video is relevant for the fx…
How to find the product of prime factors of a number, and the highest common fac…
In this video we will look at how to display an inequality on a number line. The…
In this video we will look at how to use the unit circle to understand relations…
Key changes to the Casio fx-83/85 every teacher should know about
We spoke to Claire Clay, Lead Practitioner for Maths at Ormiston Academies Trust, about some of the new features of the fx-83/85GT CW range in particular, and the benefits they offer for teachers and students.
Maths leader explores the power and potential of ClassPad
ClassPad is our web-based teaching and learning environment comprising the new ClassWiz emulator and dedicated tools for graphing, shape drawing, statistical analysis and more.
Why is year 7 the perfect time to introduce scientific calculators?
Two-thirds of GCSE maths papers allow calculators. Why aren’t we seeing the same amount of time spent using calculators in secondary school classrooms?
In this video we will look at how to make calculations and format numbers on the…
In this video we will look at how to generate random integers between a start an…
In this video we will look at how to use dice rolls to simulate probability outc…
In this video we will look at how to display charts in Classpad.net using the St…
fx-85GT CW transition videos
A selection of transition videos designed to help make the switch from the fx-991EX model to the new fx-991CW.
New ClassWiz: Key changes – fx-83GTCW and fx-85GTCW. What’s changed? Apps, Na…
New ClassWiz: Number and Calculations – fx-83GTCW and fx-85GTCW What’s change…
Resources
Casio offer a large suite of resources available for UK schools and cover teaching with calculators alongside the most popular subject topics for GCSE and A Level.
Examinations
The fx-85GTX is permitted in all UK, Irish and IB Diploma exams.
FAQs
How can we help? Visit our FAQ page to find out more about our calculators.