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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 81,472

Hi;

Post #22 this thread.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**gauss_infinity****Member**- Registered: 2012-10-23
- Posts: 25

**rapidcalculator.com**

We added the ability to evaluate a single variable function at a certain value! This can also be used to take limits.

For example, to evaluate

you just use the commandThanks to anonimnystefy for the limits suggestion!

We currently have some other suggestions from bobbym and anonimnystefy which we are working to add in (some are actually harder to implement so it will take some time)...

and thanks to all who have tried it and given suggestions! We look forward to more suggestions, since ultimately if you request a feature, we will try to implement it for your benefit

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 81,472

Hi;

Something nice would be a series command that returned the Taylor or Mclaurins series.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**gauss_infinity****Member**- Registered: 2012-10-23
- Posts: 25

Hi bobbym,

Yup! Thanks for this suggestion! We will integrate this in and update you when it is done...

And also for the multiprecision thing, we will try to add that in (the multiprecision is actually the hardest request for us so far )...

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*Last edited by gauss_infinity (2012-11-03 21:45:21)*

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 81,472

Hi;

That will be most challenging as was graphics for us. When you finish it though it will strengthen all the other commands.

**In mathematics, you don't understand things. You just get used to them.I have the result, but I do not yet know how to get it.All physicists, and a good many quite respectable mathematicians are contemptuous about proof.**

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 14,813

Thabks for the limit functionality!

Why is the poly_x command needed when evaluating sums and limits?

*Last edited by anonimnystefy (2012-11-04 00:33:18)*

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

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**gauss_infinity****Member**- Registered: 2012-10-23
- Posts: 25

Yes poly_x is not needed, but the reason we did it that way is just to stay consistent with the fact that you should only using variables etc. when dealing with polynomials or graph plotting...:)

*Last edited by gauss_infinity (2012-11-04 11:16:08)*

rapidcalculator.com - A powerful mobile computing platform for math and science

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**gauss_infinity****Member**- Registered: 2012-10-23
- Posts: 25

**rapidcalculator.com**

Hi guys,

to do taylor series, you can try something like **poly_x[taylors{exp(x),x,0,5}]** to expand

Please check our instructions page for more detailed usage description of this function....

Thanks to bobbym for this great suggestion! (we have also acknowledged you on our facebook page for this suggestion! )

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*Last edited by gauss_infinity (2012-11-04 12:17:00)*

rapidcalculator.com - A powerful mobile computing platform for math and science

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**anonimnystefy****Real Member**- From: The Foundation
- Registered: 2011-05-23
- Posts: 14,813

I love it! Good work!

Here lies the reader who will never open this book. He is forever dead.

Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment

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**gauss_infinity****Member**- Registered: 2012-10-23
- Posts: 25

Thanks! and no problem at all, we all enjoy math here haha

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 81,472

Hi;

Very nice and thanks for providing it.

Have you thought of what language structure you are going to provide with the math?

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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**gauss_infinity****Member**- Registered: 2012-10-23
- Posts: 25

Hi bobbym,

What do you mean by language structure?

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*Last edited by gauss_infinity (2012-11-04 20:12:24)*

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 81,472

Hi;

For instance If you need to compute the mean of some data. What type of structure will you hold the data in, a vector, an array, a list?

All CAS' have the capacity for loops because sometimes they are needed. The TI series of calculators comes with the rudimentary BASIC along with the math commands. I was wondering if you had any plans along those lines.

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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**gauss_infinity****Member**- Registered: 2012-10-23
- Posts: 25

hi bobbym,

Sure, I understand you now. But since we doing this as a hobby, what you have suggested (the language structure) might not be feasible for us right now...but thanks again!

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**bobbym****Administrator**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 81,472

Hi;

I understand. The task is a very big one.

I have the result, but I do not yet know how to get it.

All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

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