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  1. T

    CASIO fx-8200 AU - new calculator coming next year.

    Well cheaper than the 100. But exploring my question a bit more "can you guess why they chose 8200 for the new calculator name?": There used to be 2 calculators - the 82 and the 100 sold concurrently. As from next year there will be only one - the 8200. The older 82 and 100 may also be sold...
  2. T

    CASIO fx-8200 AU - new calculator coming next year.

    Don't know the answers to most of these questions. But CASIO do have an answer to the last one: So you can see that it is likely to be priced between the 82 and the 100. Had you asked these questions yesterday I might have been able to try to answer them, but really - the presentations didn't...
  3. T

    CASIO fx-8200 AU - new calculator coming next year.

    Well it's just a prototype so the final version could look completely different. Regardless of aesthetics there are a few crucial buttons that I reckon will stay : Home, Settings, Variable, Function, Catalog, Tools. These are completely new and will take some time to get used to.
  4. T

    CASIO fx-8200 AU - new calculator coming next year.

    I made a photo of the prototype I've been using the last couple of days: I think blue Shift functions is a terrible colour on a black background. Yellow or white would have been better. What do you think?
  5. T

    CASIO fx-8200 AU - new calculator coming next year.

    I was told today that samples of the new calculator will be sent to schools in term 1 next year. This will give schools time to prepare as it is quite different to the old ones.
  6. T

    CASIO fx-8200 AU - new calculator coming next year.

    Lets say you want to find the prime factors of 60. Type 60= Then FACT (which is Shift and then the Degrees Minutes Seconds button) You get this:
  7. T

    CASIO fx-8200 AU - new calculator coming next year.

    They already have but from 2023 onwards
  8. T

    CASIO fx-8200 AU - new calculator coming next year.

    Well the physical calculators are suppose to be out by July 2023, so yes probably. Actually what happened last time (for the second edition calculators) was they came out a few months early so that could happen again. So you may even see them in shops before July.
  9. T

    CASIO fx-8200 AU - new calculator coming next year.

    Mostly yes I think so and quite a bit more. But they would't let you take the calculators away for a more thorough workout so I couldn't really test every feature. They did however make a comparison chart: So you see measurement conversions is not on the new one, but was on the fx-100AU PLUS...
  10. T

    CASIO fx-8200 AU - new calculator coming next year.

    Today I've been trying out the prototype of the new CASIO fx-8200 AU calculator coming out next year. Some CASIO people from Japan came to Tweed Heads to let people play with them. You see the AU suffix means they made them specifically for Australia. The presentations are quite structured and...
  11. T

    Locus

    Re((8i-8i)/(8i+6))=0 so 8i is part of the locus but arg((8i-8i)/(8i+6))=arg(0) which is undefined.
  12. T

    Where can we find the 2022 past papers?

    I've only got a partial version of the James Ruse. I have attached it. I didn't include it in the resources section because there is a part missing. It may be useful however but it has no solutions.
  13. T

    Locus

    It doesn't matter. If z=8i then Re((z-8i)/(z+6))=0 and so 8i is included in the locus. arg((z-8i)/(z+6))=π/2 or 3π/2 only applies to most values of z on the locus, but not necessarily all of them. In particuar it doesn't apply if z=8i.
  14. T

    Where can we find the 2022 past papers?

    The plot thickens. I can see why you think you may have had to correct the line before ........ but alas you didn't! The problem was actually in the line before that. So here is what you have now: line 3 is correct This is what you had before: line 2 is correct In both cases line 1 is...
  15. T

    Where can we find the 2022 past papers?

    Sorry to bother you again and thanks for the corrections. But I think you need to look at SBHS Ext 1 2022 again. You now have for 13ci But it should be There is a 2θ at the end, not θ. And -2sin2kθ should be -sin2kθ ........ no 2 in front. So in fact they were 3 corrections, not just 1.
  16. T

    Where can we find the 2022 past papers?

    Thanks for fixing up the Shore paper. Your version looks much cleaner. Is there a Hunters Hill Ext. 2 for 2022? It is listed at https://thsconline.github.io/s/yr12/Maths/trialpapers_extension2.html but when I try to download it it says 404 Not Found. Also, do you want to put up the Standard 2...
  17. T

    Past Papers

    Here are 8 trials from 2022: https://www.mediafire.com/file/ozecvpvm8n6yyzp/8-standard-2-trials-2022.zip/file
  18. T

    Where can we find the 2022 past papers?

    You can get 8 for Mathematics Standard 2 here: https://www.mediafire.com/file/ozecvpvm8n6yyzp/8-standard-2-trials-2022.zip/file
  19. T

    Is any Extension 1 prelim Maths examined in the HSC ?

    Actually if you remove "HSC" from your question I could even extend that fact right back to 1916 for the Leaving Certificate as well. Back then it was Grade IV and V. There was no Grade VI (now called year 12) till 1967. But Grade IV content was also examined in the Leaving Certificates exams...
  20. T

    Is any Extension 1 prelim Maths examined in the HSC ?

    Unlike other subjects, despite the syllabus changes in maths, 1 thing didn't change: anything in year 11 can be examined in the HSC for all the maths courses. It has been like that since 1967 and still is and there have been several syllabus changes since then.
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