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Author Topic: The difference between the Casio Prizm and Nspire CX  (Read 10494 times)

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Offline Stefan Bauwens

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The difference between the Casio Prizm and Nspire CX
« on: March 10, 2012, 09:23:03 am »
I made an article and added it to Omnimaga: http://www.omnimaga.org/index.php?action=articles;sa=view;article=87
Feel free to post here any comments/mistakes you may notice/etc.. here about it.
« Last Edit: March 10, 2012, 09:39:21 am by Stefan Bauwens »
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Offline JosJuice

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Re: The difference between the Casio PRIZM and nSpire CX
« Reply #1 on: March 10, 2012, 09:31:11 am »
I found a few things that maybe should be changed.

  • In the comparison table, the speeds should be switched. The Prizm is the one that runs at 58MHz by default.
  • "The speed on the CX appears to be faster than the PRIZM but I have read that for some things the PRIZM can be faster." is pretty ambiguous. Is it about math, interpreted languages, compiled languages, or a mix of them?
  • nSpire and nDless should be spelled Nspire and Ndless, and PRIZM should probably be Prizm. (Though I'm just nitpicking now :P)
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Offline Stefan Bauwens

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Re: The difference between the Casio PRIZM and nSpire CX
« Reply #2 on: March 10, 2012, 09:32:46 am »
Quote from: JosJuice on March 10, 2012, 09:31:11 am
I found a few things that maybe should be changed.

  • In the comparison table, the speeds should be switched. The Prizm is the one that runs at 58MHz by default.
  • "The speed on the CX appears to be faster than the PRIZM but I have read that for some things the PRIZM can be faster." is pretty ambiguous. Is it about math, interpreted languages, compiled languages, or a mix of them?
  • nSpire and nDless should be spelled Nspire and Ndless, and PRIZM should probably be Prizm. (Though I'm just nitpicking now :P)
Okay thanks a lot. I changed that top thing just now since I saw it too.
I'll see what I'll do. :)
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Offline aeTIos

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Re: The difference between the Casio PRIZM and nSpire CX
« Reply #3 on: March 10, 2012, 10:17:37 am »
PRIZM is fine imo, nSpire and nDless are not.
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Offline Lionel Debroux

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #4 on: March 10, 2012, 10:40:39 am »
Indeed, please write Nspire and Ndless :)

Compared to the TI-Z80 and TI-68k series, the programmability of both the Prizm and of the Nspire series is lower, even if the Prizm is much better than the Nspire series from that point of view.
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Offline Stefan Bauwens

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #5 on: March 10, 2012, 11:14:55 am »
Yeah, sorry for that. But with all those games with the small n I believe I got confused. But I changed it already.
Lionel Debroux: That's actually really sad. D:
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Offline cyanophycean314

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #6 on: March 10, 2012, 11:30:05 am »
The price for the CX can vary widely, and usually I'd say it's less than 160 dollars.

Amazon:195 (That's insanely expensive)
SchoolMart:138
Staples:160
J&R:150
Walmart:150
TechLine:138
Calculators Inc:138
Educational Electronics: 138

Those are all the retailers linked to by the TI website.

Edit: Those are CX CAS prices
« Last Edit: March 10, 2012, 11:30:49 am by cyanophycean314 »
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Offline calc84maniac

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #7 on: March 10, 2012, 12:04:45 pm »
I don't think 150MHz is an accurate clock speed for the CX; that number comes from the highest setting that the non-CX Nspire allows. The OS clocks the CX to 120MHz, and as far as I can tell it can be clocked over 200MHz on most units (the one that I have maxes out at 246MHz)
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Offline Stefan Bauwens

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #8 on: March 10, 2012, 01:46:27 pm »
Quote from: calc84maniac on March 10, 2012, 12:04:45 pm
I don't think 150MHz is an accurate clock speed for the CX; that number comes from the highest setting that the non-CX Nspire allows. The OS clocks the CX to 120MHz, and as far as I can tell it can be clocked over 200MHz on most units (the one that I have maxes out at 246MHz)
So I should change it to 120mhz(can be overclocked to over 200) if I understand correctly?

Also Cyanophycean314, thanks for that. I just took a price from a quite poupular store(walmart) as example. Which is kinda inbetween, so quite ok I guess(?).
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Offline jnesselr

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #9 on: March 10, 2012, 02:58:02 pm »
We did some malloc tests on cemtech for the prizm, topic here in C, and found that the total memory allocatable is 131060 bytes, or 12 bytes shy of 128 KB.  I'm not sure about allocating variables on the stack, though.  This is only for the heap using malloc.  So we can allocate more than 61KB.
« Last Edit: March 10, 2012, 02:58:12 pm by graphmastur »
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Offline Stefan Bauwens

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #10 on: March 10, 2012, 03:08:21 pm »
Ok, I'll change it to 128KB.
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Offline calc84maniac

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #11 on: March 10, 2012, 03:12:03 pm »
Yeah, I think the 61KB limit was for stack-allocated variables.

I don't know the malloc limits for Nspire CX, but they're definitely over 4MB (because gbc4nspire successfully loads ROMs that large)
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Offline JosJuice

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #12 on: March 10, 2012, 03:12:32 pm »
61 KB is for user data, similar to the 24 KB available on the 83+/84+. BASIC has to work within this limit, but not native code.
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Offline Stefan Bauwens

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #13 on: October 10, 2012, 02:39:50 pm »
!Update. Replaces the specs table with a picture, since it otherwise looked screwed.
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Offline Hayleia

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Re: The difference between the Casio Prizm and Nspire CX
« Reply #14 on: October 10, 2012, 03:03:41 pm »
Quote from: Stefan Bauwens on October 10, 2012, 02:39:50 pm
!Update. Replaces the specs table with a picture, since it otherwise looked screwed.
You could have used the [table] code :P
This article is great, it is objective and really helps choosing the calc according to people's preferences, unlike some biaised article I saw on another website that purely advertised for one of the two calcs :)

edit: I gave you your 112th post rating :P
« Last Edit: October 10, 2012, 03:03:59 pm by Hayleia »
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