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September 26, 2025, 08:23:29 am
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Author Topic: My sister in year 9 needs a CAS calculator?  (Read 3478 times)  Share 

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QuantumJG

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My sister in year 9 needs a CAS calculator?
« on: February 14, 2010, 08:27:52 pm »
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Hi guys,

My sister apparently needs a CAS calculator and she is only in year 9!

They are doing basic Pythagoras and other stuff that I thought you would only need a scientific calculator for. So does anyone have siblings in year 9 that use CAS calculators?
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appianway

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Re: My sister in year 9 needs a CAS calculator?
« Reply #1 on: February 14, 2010, 08:29:32 pm »
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My sister's in year 10 and she's been using one since year 8 when she took year 9 maths.

We used a CAS in year 9 too.
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Visionz

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Re: My sister in year 9 needs a CAS calculator?
« Reply #2 on: February 14, 2010, 08:30:00 pm »
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Theyre probably just encouraging them to buy them now so they get more sue out of them later on. When I was in year 9 we did pythag on paper... Feels like yesterday.
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samuch

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Re: My sister in year 9 needs a CAS calculator?
« Reply #3 on: February 14, 2010, 08:32:31 pm »
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yeah my sis is getting one this year and shes in yr9
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superflya

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Re: My sister in year 9 needs a CAS calculator?
« Reply #4 on: February 14, 2010, 08:37:41 pm »
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i didnt even use a scientific in yr 9 :P
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m@tty

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Re: My sister in year 9 needs a CAS calculator?
« Reply #5 on: February 14, 2010, 08:45:35 pm »
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My school got me to get one to "become familiar with the calculator".
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Edmund

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Re: My sister in year 9 needs a CAS calculator?
« Reply #6 on: February 14, 2010, 08:52:34 pm »
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Certainly you wouldn't want a Year 9 to be familiar with using a calculator, to the extent of relying on it too much. Even if there are graphs, they should be simple enough to be hand-drawn...
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olly_s15

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Re: My sister in year 9 needs a CAS calculator?
« Reply #7 on: February 14, 2010, 09:00:55 pm »
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The textbooks that year 9 students use at my school are meant to be used in conjunction with CAS calculators because they have examples for the calculator. I think the aim is to familiarise the students with the calculator instead of learning it from scratch in VCE.

I first used the calc when i got into year 11 and it was a bit complicated to begin with, but I honestly don't think it's necessary to start it at year 9. As Edmund said, it may cause students to rely on it too much.
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superflya

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Re: My sister in year 9 needs a CAS calculator?
« Reply #8 on: February 14, 2010, 09:33:45 pm »
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who knows, they might be planning on increasing the difficulty of vce maths. if not, i really dont see the point in using a cas calc in yr 9. ive seen the effects, my cousin moving on to yr 10 struggles with the simplest of linear graphs  0.o
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QuantumJG

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Re: My sister in year 9 needs a CAS calculator?
« Reply #9 on: February 14, 2010, 09:51:09 pm »
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Quote from: Visionz on February 14, 2010, 08:30:00 pm
Theyre probably just encouraging them to buy them now so they get more sue out of them later on. When I was in year 9 we did pythag on paper... Feels like yesterday.

Same.

Anyway with maths it's like:

years 7 - 9: scientific calculator
years 10 - 12: graphics calculator
uni: no calculator or if you need one then use computers to run simulations.

Oh well thanks guys.
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Re: My sister in year 9 needs a CAS calculator?
« Reply #10 on: February 14, 2010, 09:53:11 pm »
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No calculator in uni?
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TrueTears

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Re: My sister in year 9 needs a CAS calculator?
« Reply #11 on: February 15, 2010, 02:46:19 pm »
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You can use programs like Mathematica, Matlab etc

Most of the stuff you do in uni you don't even need a calc for lol.
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ninwa

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Re: My sister in year 9 needs a CAS calculator?
« Reply #12 on: February 15, 2010, 02:59:17 pm »
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My brother is in year 9 and has a CAS calculator that I have no idea how to use because it's far more complicated than anything I've ever seen... I guess MHS likes to groom them early...
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QuantumJG

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Re: My sister in year 9 needs a CAS calculator?
« Reply #13 on: February 15, 2010, 03:17:02 pm »
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Quote from: m@tty on February 14, 2010, 09:53:11 pm
No calculator in uni?

Well in physics (probably for chemistry aswell) you need a scientific calculator. As TT said, you rely on computer programs for say doing computer models. This is crap because my programming skills are basically s**t.
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Greggler

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Re: My sister in year 9 needs a CAS calculator?
« Reply #14 on: February 15, 2010, 05:35:22 pm »
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Yeah we got our CAS calcs in year 9 and im so greatful for it. also our teacher is like a sales rep for Casio and does lectures to other teachers on how to teach with the calcs so he taught us all these tips/tricks and shortcuts.

But yeah, one of the biggest challenges with the CAS is actually knowing how to use it, and if you can learn how to in year 9 it saves a lot of time later on.
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