Author Topic: Should I buy a new calc?  (Read 13265 times)

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Offline Sorunome

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Should I buy a new calc?
« on: January 10, 2013, 06:09:30 pm »
Hey, I only have a TI 84+ (non-SE), and I am taking AP Calculus.
I have noticed already when using the calculator in class that I can't do everything because the TI-89 titanium (which everybody else has) has better software.
My teacher also recommends to get a TI-89, and I'm wondering, should I get a new calculator for the AP test I'll be taking (AP Calculus AB and BC), and if yes, should it be a 89? Or is a nspire cx the better choise then?
Please help me :D

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Offline Link

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Re: Should I buy a new calc?
« Reply #1 on: January 10, 2013, 06:12:24 pm »
What do you have trouble with? It can probably be done on the 84+ On top of that, I suggest the Nspire, it would probably be a better choice.
« Last Edit: January 10, 2013, 06:13:09 pm by Link »

Offline Sorunome

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Re: Should I buy a new calc?
« Reply #2 on: January 10, 2013, 06:15:29 pm »
I have trouble with a lot of stuff, like derivative function (of cource by hand is possible but sometimes you just wanne use a calc), solving indefenite integral (again, same as derivative), factor, expand, sec, csc, cot (it sucks always doing 7/sin etc and i'm not using symbolic anymore as it doesn't play so nice with graph3), then also these functions (I forgot the name) where you draw the real funciton out of the derivatives (graph3 doesn't has so many options on it as the 89) and I bet there is more.

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Offline Link

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Re: Should I buy a new calc?
« Reply #3 on: January 10, 2013, 06:17:00 pm »
Oh then, I suggest getting the ti89, sounds better for you.

Offline epic7

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Re: Should I buy a new calc?
« Reply #4 on: January 10, 2013, 06:29:14 pm »
I'm biased toward the nspire.
Get an nspire :P

Offline TheNlightenedOne

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Re: Re: Should I buy a new calc?
« Reply #5 on: January 10, 2013, 06:33:34 pm »
I prefer the Nspire as well. Its an all-around great calc, at least with Ndless.
"Eris" (Ndless 3.1)
"Keto" (Ndless 3.1)
"Luna" (AMS 3.10, HW4)
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Offline Sorunome

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Re: Should I buy a new calc?
« Reply #6 on: January 10, 2013, 06:34:15 pm »
Does the OS itself of the nspire have /all/ the maths features the 89 has?

EDIT: I just saw here a list of calculatores allowed in the policy for the ap test (BC) http://www.collegeboard.com/student/testing/ap/calculus_bc/calc.html
And it says that the ti-84 has everything they recommend on software stuff, but I've been missing these other features mentioned above in class so i'm wondering now if i need a new calc at all..... D:
« Last Edit: January 10, 2013, 06:38:27 pm by Sorunome »

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Offline TheNlightenedOne

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Re: Re: Should I buy a new calc?
« Reply #7 on: January 10, 2013, 06:46:22 pm »
The CAS Nspires have all of the 89's math functions, AFAIK.
"Eris" (Ndless 3.1)
"Keto" (Ndless 3.1)
"Luna" (AMS 3.10, HW4)
"Aurora" (2.55MP)

Offline Spyro543

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Re: Should I buy a new calc?
« Reply #8 on: January 10, 2013, 07:07:35 pm »
If your teacher and peers use the 89, i would recommend you getting it too, for simplicity.

Offline _Nicco_

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Re: Should I buy a new calc?
« Reply #9 on: January 10, 2013, 07:29:52 pm »
I recommend the Nspire CX CAS.  I have it and I love it.  You might have a bit of trouble learning to use all of its features but once you have it down it will end but being a better calculator I think.

With the TI-Nspire you are also able to program in Lua if you didn't know.
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Offline ruler501

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Re: Should I buy a new calc?
« Reply #10 on: January 10, 2013, 08:16:16 pm »
It may be useful to have it, but I would avise a CX CAS if it's allowed on the test if you choose to get one. I personally use my prizm in class. It does everything I need it to do. You can do numerical integration and I know symbolic well enough to do it quick on my own.
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Offline Sorunome

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Re: Should I buy a new calc?
« Reply #11 on: January 10, 2013, 08:18:08 pm »
If your teacher and peers use the 89, i would recommend you getting it too, for simplicity.
My teacher calls himself a hypocrite for not having one himself but telling everybody to get one, lol, and he explains for the 89.
With the TI-Nspire you are also able to program in Lua if you didn't know.
I know already lua for the pc, lol

And the question was only if to buy one AT ALL, as the I noticed also that the 84 fulfills the ap requirements.

EDIT:
It may be useful to have it, but I would avise a CX CAS if it's allowed on the test if you choose to get one. I personally use my prizm in class. It does everything I need it to do. You can do numerical integration and I know symbolic well enough to do it quick on my own.
The CX CAS is allowed.
« Last Edit: January 10, 2013, 08:18:51 pm by Sorunome »

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Offline _Nicco_

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Re: Should I buy a new calc?
« Reply #12 on: January 10, 2013, 08:22:26 pm »
I would get one.  Although you can do many things by hand, the AP test is timed and a calculator with a CAS will save you time.
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Offline Sorunome

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Re: Should I buy a new calc?
« Reply #13 on: January 10, 2013, 08:23:31 pm »
Maybe I could get my parents into paying a part of it :D

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Offline fb39ca4

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Re: Should I buy a new calc?
« Reply #14 on: January 10, 2013, 08:51:44 pm »
Get an Nspire Clickpad (blue one) used, you can use it on any test you can use an 84 on, and you can also install the CAS OS using Nleash when you aren't taking a test so you have that.
« Last Edit: January 10, 2013, 08:56:46 pm by t0xic_kitt3n »