I've been using a Texas TI graphing calculator at school and am wondering if there are programs for the PC that function similarly (with similar features) as those calculators. I don't need an emulator (its illegal to use one without owning the calculator anyways) but want a program that actually looks like one of those machines and functions like one.

The program should be free (preferably open source), and I'm looking for suggestions as to what programs I should download.

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    $\begingroup$ You could try wolfram alpha. $\endgroup$ – Alexander Gruber May 28 '13 at 0:34
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    $\begingroup$ @Anonymous: In addition the the nice suggestion by AG, you can look into downloading and learning a Computer Algebra System. They have all sorts of goodies and are very helpful in your journeys and much more powerful than what you will find on a calculator (although there are some nice ones of those too). Regards $\endgroup$ – Amzoti May 28 '13 at 0:52
  • $\begingroup$ I've looked into CAS systems before but many don't seem to have a good GUI... what do you recommend? Thx Alex, but I want something that works offline too. $\endgroup$ – bubbles May 28 '13 at 1:00
  • $\begingroup$ @Anonymous What ones have you tried? What is a good GUI? $\endgroup$ – Billy Rubina May 28 '13 at 15:47
  • $\begingroup$ Simple and easy to use (no command line interface), preferably with Natural Display format for equations. Any recommendations? $\endgroup$ – bubbles May 28 '13 at 20:56

Ok, I'm now using Microsoft Mathematics (free program) which has a GUI, natural display and the CAS features I need.





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