Casio FX-83GTX Scientific Calculator, Black

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As for the question of when is the best time to introduce the new ClassWiz range to particular year groups, we know teachers will always be the best-placed to answer this. You know your students, their learning patterns and how well they respond to different methods in the classroom.

When the new specifications came in, Casio brought out new upgraded calculators called the Classwiz series. The GCSE model was the Classwiz fx 83/85GT X, and included a few extra features that the GT Plus didn’t have, although the GT Plus was (and is) still perfectly adequate for GCSE. Schools should be telling you to get the CW now since that’s the current model, but some haven’t caught up yet and are still telling students to buy the GTX – which is now hard to get hold of new at a reasonable price. The same thing happened when the GTX replaced the GT Plus. In short, the new CW calculators are a lot more complicated to use than the older X models, and don’t offer any significant improvements that I can see.

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Crucially, the design and key layout of the updated fx-83/85GT CW and fx-991 CW models is identical, with only a few differences in labelling. The fx-991 CW is the minimum requirement for A-level maths, so students making the step up in year 12 will benefit from already being familiar with the fx-83/85GT CW. A major change that has been implemented with the new CW ClassWiz range is the introduction of a new menu structure to access functions. While common functionality, such as the trigonometric functions sin, cos and tan, still have their own dedicated keys, many other features – including functional analysis, probability and conversion – are now listed in a menu accessed via the new Catalog key.

We asked mathematician Simon May for his thoughts on the key features and advantages of the new ClassWiz series. More intuitive navigation With Casio’s ClassWiz range of scientific calculators recently getting a significant redesign, it seems like the perfect time to talk about what these upgraded models can do and the benefits they offer for teachers and students alike.Another exciting aspect of this key is its ability to effectively respond to the user’s needs. After completing a calculation, the Format button will provide different options, based on the previous inputs and the resulting value. This functionality was available on previous handsets, but only accessible through a sequence of different key presses. The Format key brings it all together in one place. If you have the older GT Plus then it will still do everything you need for GCSE, so don’t worry about that!