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Levak


Advanced Newbie


Joined: 11 Nov 2009
Posts: 94

Posted: 19 Jun 2010 06:25:34 am    Post subject:

Hi all here !
Critor just released his Autocalc on TI-Nspire. Yes, on TI-Nspire. You're looking at me and saying "why ? TI-Nspire can make fractions and all stuff  with pretty print view !" Not totally true. The TI-nSpire CAS could. But The TI-nSpire nonCAS couldn't. When you enter "1/4" it answer "0.25"... like a TI-84+

Thus, Critor made this to broaden the popularity of the TI-nSpire nonCAS, cause poor students sale their useless calc and buy a Casio calc..

Well, this pretty useful stuff is called "mCAS" like "mini CAS". In its description, you can learn that the TI-nSpire nonCAS have only one CAS engine ( / 4 on CAS) : the pretty print entry view. So then, when Critor told me "Hey, look at the functions, you can still have Pretty Print on it !" I designed a stupid but ingenious function that update the function box, and then you can view the result in Pretty Print on the TI-nSpire non CAS !
Well...
You still do not understand what does it mean ?
Check this (French) :

(wait a while, the beginning is here to show where mCAS can go)
You can download mCAS in French here, it includes an English readme :
http://ti.bank.free.fr/index.php?mod=archives&ac=voir&id=1884

mCAS is fully compatible with OS 1.7 (and OS 1.4 but there is a refresh bug with my pretty print function, but mCAS works)

Costly,
Levak
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critor


Member


Joined: 04 Feb 2009
Posts: 132

Posted: 19 Jun 2010 06:30:44 am    Post subject:

Thank you Levak for this topic.


For the moment, mCAS can only handle special expressions, more precisely 20 kinds of special expressions.

But that's far enough for the students here.

It's quite fast.
It just takes some seconds in the worst cases.


The next step would be to add arbitrary symbolics.

I'm thinking about it...



Here are some pictures:






And a full 10-minutes tutorial, but subtitled in french:





http://ti.bank.free.fr/index.php?mod=archives&ac=voir&id=1884


With mCAS, you can do CAS-stuff on your basic TI-Nspire.


Last edited by Guest on 19 Jun 2010 06:31:30 am; edited 1 time in total
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critor


Member


Joined: 04 Feb 2009
Posts: 132

Posted: 10 Oct 2010 11:03:24 am    Post subject:

Remember mCAS ?
http://ti.bank.free.fr/index.php?mod=archives&ac=voir&id=1884

The next mCAS library release is going to add a limit function to the non-CAS Nspire, and severall sample-tns using it to study functions and gathering the results in a tablea (matrix).

Feel free to post your comments, needs and wishes.
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littleazn248


Newbie


Joined: 20 Nov 2010
Posts: 1

Posted: 20 Nov 2010 04:29:49 pm    Post subject:

Hi I'm confused so how is MCAS supposed to help? I installed it but I'm a little confused about its benefits.

http://education.ti.com/educationportal/sites/US/productDetail/us_nspire_cas_clickpad.html?subid=2&topid=350

I tried but it can't do any of these functions.
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critor


Member


Joined: 04 Feb 2009
Posts: 132

Posted: 20 Nov 2010 07:46:17 pm    Post subject:

It depends of what you want to do.


mCAS currently does not support formal expressions.


The released version gives you exact numeric results (with fractions, radicals and much more...).

In the current development version, I'm adding limit support.


For handling formal expressions, you may try a library from Bwang.
It's available on ticalc.org.
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