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Math Program Ideas
 Post your ideas for new math programs here, or build on ideas posted by other visitors.

Re: Math Program Ideas
Heejun Woo

uh....

1 February 2004, 04:33 GMT

Long Division
Blah Poop
(Web Page)

I'm planning on making a long division of polynomials program. What you do is, you enter the coefficients of the polynomials and then it will divide for you and give you the answer and the remainder. Give me some suggestions on how you think I should display the answers.

29 February 2004, 04:55 GMT

Long division of Polynomials
Musiconwheels06

It would be great to show it in the form,

x^2 + 3x + 4 + 12/(x-1). Great idea. Let us know how it works out, or if you need any help.

3 March 2004, 05:10 GMT

Re: Long Division
Andy, Jeff Wildschuetz, Ornelas

hey i do lots of base problems and i am always needing a remndier i would love to have it if you could e-mail it to me at wild_man_07_@hotmail.com

5 March 2004, 21:02 GMT

Re: Long Division
david chang

i suggest showing it in synthetic form too because it gives the user something to write down on their homework.

16 July 2004, 00:09 GMT

Convolution
Harrington ricks

I'm thinking about numerical convolution program contruction, this is one topic area that poses extream difficulties to programer so far. I strongly believed there are some guru that can handle this so called numerical convolution. I need someone to take on this convolution. I 'm staning by with all my support as well. please come forward if it is you .
thanks
' Harrington EE student

29 February 2004, 20:50 GMT

Re: Convolution
JRH

I would have to agree - a program that did Convolution Integrals would be VERY handy for us EE students!

19 March 2004, 01:23 GMT

Re: Math Program Ideas
Musiconwheels06

Does anyone have any ideas for a geniune math problem that could be solved with an innovative program? I'm not talking about getting a program to do work in school, but a real program that actually accomplishes something.

1 March 2004, 01:50 GMT

Re: Math Program Ideas
weylin2001

I need some help. Like i need to design a program that randomly generates numbers but stops after it repeats one for instance. 1-2-4-5-2, then it would report 4 numbers. which is how many after the first one. i've tried many times, but i can't figure it out, plus i'm not good at programming either. so 1-1, would report 1. 2-5-2, would report 2 and so on. if anyone could help me please email me at weylin@gorillagrape.com, i would really appreciate it.

2 March 2004, 05:08 GMT

Re: Re: Math Program Ideas
ti_guy

Ok, this might be a little unoptomized but it would work assuming that you want a integer from 1-5 (its for a 83+). If you want it to go from 1 to another number, just replace the fives with the number you want. I didnt test this, so tell me if it doesnt work:
->=store
ClrHome
5->dim(L1)
For(A,1,5)
randInt(1,5)->B
For(A,1,5)
If B=L1(A)
Then
Disp B
Stop
End
End
Disp B
B->L1(A)
End

6 March 2004, 06:51 GMT

Re: Re: Re: Math Program Ideas
Flexico8191

It does work, but I updated it. E-mail me at SSpyro64@AOL.com if you want the updated version.

24 May 2004, 18:15 GMT

CAS for ti 83, 86
Musiconwheels06

It would be interesting to create a giant program that was essentially a CAS that could perform algebraic manipulation. The 83+ SE has a large memory, so the size of the file could be large. It would have to be a massive organized group venture, but it would be really neat. They'd have to ban all ti-83+ SEs!

3 March 2004, 05:05 GMT

Re: CAS for ti 83, 86
Matt Long

Great idea! I'd love to help if a mathematician could be found.

21 August 2004, 02:13 GMT

Re: CAS for ti 83, 86
Carlo Angiuli

Wait, "they"? The people everyone most cares about is the College Board (makes the SAT), and they allow the CAS-endowed 89, since it doesn't have a QWERTY keyboard, although the other calcs with CAS (the 92(+) and V200) do.

28 December 2004, 05:09 GMT

Re: CAS for ti 83, 86
m85476585

What's a CAS?

19 February 2005, 23:17 GMT

Re: Re: CAS for ti 83, 86
Jim Power

CAS stands for "Computer Algebra System." Which means you can input things like: ((x/4)+(4/2x))/((2/3)(x/6)) and it spits out the answer.

22 September 2005, 11:22 GMT

Re: CAS for ti 83, 86
ArcyQwerty

bump.
Anyone interested in this still?

28 October 2009, 20:55 GMT

Re: Re: CAS for ti 83, 86
boos93

i am working on a program that does exactly that. how good are you at programming? because its a lot of work

3 November 2009, 00:08 GMT

I need Help
chriszi24

I have some problems with vectors. My TI-86 can't compile a TI-83 Program. So I try to convert it. My Problem in programing:
:InpSt K
:K->L4(1)
It say's: Invalid Data Typ. Has anybody an idea? If it works it could a very great program :-)

4 March 2004, 14:59 GMT

Re: I need Help
JAKAS

InpSt is not a valid command. Tell me what this command does on the 86, and I can tell you what might be the equivilent on an 83.

15 March 2004, 21:21 GMT

Re: I need Help
danbert23

For one thing, 'InpSt' is a valid command on the 86. I'm not sure about the 83. I believe that the problem is 'K->L4(1)' The calculator is trying to store the string 'K' to the first term in the list 'L4'. This is possible on the 68K calculators; however, I don't think that you can do this on z80 calcs.

29 July 2004, 21:18 GMT

Re: Re: I need Help
tenniskid493

InpSt is not a valid command on the TI-83.
I'm assuming (I dont have an 86) that it means input a string. In this case, you would have to do something like Input "...",Str0 (replace ...with a title)..
K->L4(1) is a valid command

12 June 2005, 04:52 GMT

Re: Re: Re: I need Help
yellowPig

It's inputStr I think; I use a Voyage, mostly, and I never deal with strings.

7 April 2006, 22:03 GMT

Re: Re: Re: Re: I need Help
koolone0
(Web Page)

InpSt takes either a string prompt then a variable to store the response string in or just a variable to prompt for the value of. The problem is that it takes the value that is being returned and storing it as a string. You are then trying to store that string in a place where only a number can be stored. What it boils down to is that you are trying to put a string where only a number can go. You could try parsing the double from the string if its that important to you but i would use different methods. By the way i dont own a TI 86 but with a little research from the online guidebook on Texas Instruments site(in the URL field) it was easy to determine.

28 February 2008, 04:02 GMT

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