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Author Topic: Can you install a program to make a nspire CX into a CAS?  (Read 8938 times)

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Offline Sorunome

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Re: Can you install a program to make a nspire CX into a CAS?
« Reply #15 on: March 10, 2014, 05:24:17 pm »
then it will tell you that answer:
logb(n) = ln(n) / ln(b)
That conversion is always valid, thanks to math, and thus you just have to input your logarithms like that then.
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Offline willrandship

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Re: Can you install a program to make a nspire CX into a CAS?
« Reply #16 on: March 10, 2014, 05:24:55 pm »
That depends on how you phrase the input. When using solve() you need to put it in terms of a variable.

solve(log(x,2) = 2,x) will solve for x, saying x = 4


TI-89 log supports the log(entry,base) syntax btw
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Offline Sorunome

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Re: Can you install a program to make a nspire CX into a CAS?
« Reply #17 on: March 10, 2014, 05:25:32 pm »
The thing is that the TI-89 doesn't have log(n,base), you have to do ln(n) / ln(b)

EDIT: Apparently I'm using an outdated OS, so i guess try log(n,base) first, if that doesn't work then fallback to ln(n) / ln(base)
« Last Edit: March 10, 2014, 05:29:47 pm by Sorunome »
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Offline Jake Chas

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Re: Can you install a program to make a nspire CX into a CAS?
« Reply #18 on: March 10, 2014, 05:41:39 pm »
how do I get the nless and nlauch files thats this post is talking about

https://tiplanet.org/forum/viewtopic.php?t=11019&lang=en
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Offline Hayleia

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Re: Can you install a program to make a nspire CX into a CAS?
« Reply #19 on: March 10, 2014, 05:46:57 pm »
There's a search bar (two actually) on the left on TI Planet ;)
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Offline pbfy0

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Re: Can you install a program to make a nspire CX into a CAS?
« Reply #20 on: March 10, 2014, 05:53:00 pm »
To add  CAS support:

  • Update your calculator to OS 3.1. Download it from here. Be careful not to get anything newer.
  • Download Nlaunchy from here.
  • Download TNOC from here
  • Follow the instructions for Nlaunchy in README. Use the 3.1 CAS OS for phoenix.tns
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