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

How do you make a program that factors?

numbers, not polynomials

easy, but long way:

Promt A
For X,1,_sqrt_A
A/X->B
If B=IPart(A
Then
X->L1
A/X->A
0->X
End
End
Disp L1

^untested, but it should work

sorry about the stupidity. my brain was kinda... turned off:

1->C
Prompt A
For X,2,_sqrt_A
A/X->B
If B=iPart(B
Then
X->L1
A/X->A
0->X
C+1->C
End
End
Disp L1

^you need to define where it goes in L1, do iPart(B) (not A), and also you need to start at 2 cuz 1 is always a factor

sry >.<

XD i'm stupider than I thought today. 1 last change should do it:

...
0->X
...

change to 1->X

This is technically a math program, though I'll actually be implementing it in a game-

does anyone know a way that variables can be implied to change a parabola? I need to be able to pick a starting point for the parabola and set an arc based on 2 factors:

power- "intensity" of the parabola
elevation- (obviously) the angle from which it is fired

if anyone knows how to make something like that, please inform

Does anyone know of where I can get a radical rationalizer, or can anyone write one; such as, if I have 2/��65 and I want to rationalize that to 2��65/65.

I have a TI-86, and am wondering if anyone can recommend or write some programs that would be useful in a college trigonometry class. I have written my own programs for College algebra, but have not had much luck getting my trig programs to work. Any program would be helpful, but one that could display exact answers, such as if I have a radical, would be even more helpful. Thanks!!!

Can someone make a Decimal to fraction program for me please.

Thanx

If you're talking for the 83+... [Math][Enter][Enter]... ;)

can any one tell me how to write a random number geterating program that is fairly simple?

the calc can already do that

go to math, prb, and rand is a random number from 0 to 1. randint is random integer from X to Y (as in randint(x,y)

Try this:
Create a list called A and insert 1 as the first number.

:LA(1)+1->LA(1)
:fPart(&#960;^LA(1))->N
:Disp N

I think that someone should make a program for the TI-89 (I have a titanium) that graphs 3d functions defined implicitly. It could be assmebly or basic. Any ideas?

Similar to the programs I wrote which are in curves3d.zip and parm3d.zip in the 89/math directory (or you can just look in my author profile...Let me know if this is what you mean...

I've seen them and they look pretty cool. I actually saw an assembly program like that, except it crashed my calculator. I was thinking along the lines of a program that can graph implicitly defined equations, like x^2+y^2+z^2=1, where it graphs it all and you don't have to solve for z. I couldn't think of a way to make something like that, though. it would be cool if your program could do real-time rotation, though it would probably be very slow.

I would like to know how to create a progaram that simplifies radicals. Do any of ya'll know how to do this?

search archive for radical simplifier. lots of hits.

for an 83+ here's how you can write one (you have to change all variables to letters):

input number
2->i
0->summ
0->tempsum
sqrt(number)->sqrtnumber
while i<=sqrtnumber
while fpart((number/i)/i)=0
tempsum+1->tempsum
(number/i)/i->number
end
summ*tempsum*i->summ
i+1->i
end
disp "outside the radical is",summ
disp "under the radical is", number/summ

The variable names don't make much sense except to people who program with the same style as I use, but I do have reasons for choosing them.
I haven't debugged this at all; I just wrote it now, so it might need tuning up.

Yes, I am looking for someone who may have a program for figuring out factors, binomial, polynomial, trinomials. This would be for a ti-84 plus thank you