Re: TIB: lots of help needed
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Re: TIB: lots of help needed
Grant Stockly schrieb:
>
> >Ok you BASIC junkies. I need some help.
>
> Yep.
>
> >I have a TI-85.
>
> K
>
> >I'm trying to write a program that will find all the unknowns of a triangle
> >if given all known data. I know, there are programs already out there like
> >that, but i want to write one myself.
>
> Just take your basic algebra skills to do something like this:
>
> If you know the points, squareroot((X1-X2)^2+(Y1-Y2)^2))
>
> That will calculate the distance from A to B, B to C.....
>
> If you know the lengths you could do something like this
>
> squareroot(A^2+B^2)
I'm not quite sure about what you know about maths at that point, the point is
that you don't know anything about triangles with angles of which none is 90
degrees or you have never reflected about this problem, it's NOT as easy to
solve as you may think! A.K.
>
> If you just didn't know how to do that, then there it is. If you are
> unsure on how to enter it in to your calculator please ask.
>
>
> >What i want it to do is...have the person enter everything he/she knows.
> >So, i'm going to prompt the user for:
> >
> >A=?
> >B=?
> >C=?
> >a=?
> >b=?
> >c=?
> >
> >In case you don't know, the capital letters are for angles and the lower
> >case letters are for sides.
> >Suppose i have enough data to determine that the triangle is SAS (side,
> >angle, side).
> >I'd have to skip
> >
> >B=?
> >C=?
> >a=?
> >
> >in order to make it SAS.
> >Well, i can't skip it just by pressing enter. I have to enter something
> >numeric. Is there anyway to just bypass that? You know, just skip it by
> >pressing something, without enter data.
> >
> >If there is no way then..
> >The other problem is, if i enter 0 (the number) how would i get the
> >calculator to recognize that it means nothing. Mainly, how would i get the
> >calculator to recognize everything, but "0's."
> >
> >I want the calculator to recognize that it's SAS by the data given and know
> >that "0's" in the prompt are nothing. That is pretty much my main question.
> >
> >My friend is writing one that you tell the calculator which kind of
> >triangle it is, but i want the calculator to recognize it by itself. I
> >just wanted to show him up. =)
> >
> >How would i code that?
> >
> >Well, hope you can help. Thanks a bunch. I know this is sort of long,
> sorry!
> >
> >Alex
> >
> >Visit my homepage at:
> >http://www.fortunecity.com/skyscraper/coding/190/index.html
> >
> >Or email me at:
> >kimo@iland.net
>
>
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