to the owners of TI-89(calculator). HELP

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Shemeck
Supreme tranceaddict

Registered: Jun 2003
Location: Miami

to the owners of TI-89(calculator). HELP

i have a problem. there has to be simple solution but i cant figure it out. I looked in the book how to do it but im getting an error.
here is what im trying to do.
I prees F2, then 3(to expand), then i type x^2-6), so the whole thing looks like this expand(x^2-6), and i press enter, and everytime im getting this error: Non-algebraic variable in expression. i dont know what to do, everytime i try to something(like factor etc) with X im getting an error.
WHAT DO I NEED TO DO. HELP ME!

Oct-05-2004 19:20

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DJ_Bod
TrippingTheLightFantastic

Registered: Mar 2001
Location: DTA#8

ummmm....

I think you need it to equal something. like:
expand(x^2-6=0)

but I also think you need to put what variable you want it to expand by... so:
expand(x^2-6=0,x)

It's been awhile that might be totally wrong

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Oct-05-2004 19:23 United States

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Shemeck
Supreme tranceaddict

Registered: Jun 2003
Location: Miami

still doesnt work, but thanks

Oct-05-2004 19:25

igottaknow
PerfectTeeth R4 Dinosaurs

Registered: Feb 2001
Location: The Future

i havent done algerbra in a million years but how are you going to solve for x if you only entering one side of the equation? For example: x-2

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GIGANTIC CUNT

Oct-05-2004 19:26

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DJ_Bod
TrippingTheLightFantastic

Registered: Mar 2001
Location: DTA#8

quote:
Originally posted by yogi bear
still doesnt work, but thanks

sorry it didn't help.... Good luck with it.

___________________

Oct-05-2004 19:27 United States

Shemeck
Supreme tranceaddict

Registered: Jun 2003
Location: Miami

i need that for tomorrow, i need to do like 80 problems, and i wont be able to finish it by expanding, factoring etc. without a calculator.
im fucked

Oct-05-2004 19:30

_Nut_
North x NorthWest

Registered: Nov 2001
Location: 61.105423,-149.723555

click the mode button and make sure that it says:

Normal
Float
degree
RectC
Func
Dec
RectV
dxDer1

By changing the options it could bring up the error?

Oct-05-2004 19:44

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Shemeck
Supreme tranceaddict

Registered: Jun 2003
Location: Miami

RectC ??

RectV ??
dxDer1 ??

i dont have those in mode, could you tell whats the name of the option?

Oct-05-2004 19:48

UWM
mandroid

Registered: Mar 2001
Location: Here

You might find the solution in the calculator's manual.

Oct-05-2004 19:49

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Shemeck
Supreme tranceaddict

Registered: Jun 2003
Location: Miami

quote:
Originally posted by UWM
You might find the solution in the calculator's manual.

didnt you read the first post?
and i do exactly what the manual says, and it doesnt work

Oct-05-2004 19:53

Floorfiller
Girl + Sweater = Hotness

Registered: Apr 2002
Location: Illegal Pete's

quote:
Originally posted by yogi bear
didnt you read the first post?
and i do exactly what the manual says, and it doesnt work

well then maybe you'd better get busy...its gonna be a long night of doing it the old fashion way