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TI 83+/84+ programming?

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TI 83+/84+ programming? Programming forum discussing coding and everything related to the well-known TI-83/83+/84/84+ graphing calculators for math and science. Creative ideas, helpful information and questions regarding applications are welcomed but no homework at all!

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  Trader Rating: 0 · #1  
Old October 26th, 2004, 06:10 PM
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TI 83+ programming?
Hi Guys,
I am looking into creating very simple programs on my calculator that will plug a certain number into my equation in order to solve a specific problem. For example, the difference between two points on a coordinate plane.. the formula is
square root of: (X2-X1)2+(Y2-Y1)2

Could someone help me with getting this into my calculator?

I would like to enter the X1,Y1,X2,Y2 and let the calculator do the equation from there.


Thanks a bunch
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Old October 26th, 2004, 06:45 PM
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Since the programming languages for graphical calculators vary from calculator to calculator, your best reference is the manual for the calculator.
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Old October 26th, 2004, 10:10 PM
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Here is code that should work:


Disp "Enter X1"
input A
Disp "Enter X2"
input B
Disp "Enter Y1"
input C
Disp "Enter Y2"
input D

(B+A)2+(D-C)2 -> E

Disp "The answer is:", E



This should work.
hope it helps
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Old October 27th, 2004, 03:09 PM
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almost done putting it in, i dont see a comma though, which button do i press to get a comma?
Quote:
Originally Posted by Bigsam411
Here is code that should work:


Disp "Enter X1"
input A
Disp "Enter X2"
input B
Disp "Enter Y1"
input C
Disp "Enter Y2"
input D

(B+A)2+(D-C)2 -> E

Disp "The answer is:", E



This should work.
hope it helps
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Old October 27th, 2004, 03:55 PM
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next to the x squared button.

Havn't used a 83 in a long time, 89 wil do you homework for you.
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Old October 27th, 2004, 05:22 PM
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Yo if i were you I wouldn't use that code above I'd use this:

note: the * is the square root which ends with an ( so thats why theres an extra ) at the end before the arrow
also note the space after answer
Code:
Input "X1=",A
Input "X2=",B
Input "Y1=",C
Input "Y2=",D
*(B-A)2+(D-C)2)->E
Disp "Answer ",E

make sure for the '2's you use a squared.( itested it and it works, If I had my digital camera I would post a ss of my code in the calc so you know you did it right but unfortunatly I don't.

You should read the giant manual, thats how I learned, also find from one of your friends the application call Catalogue Help, it really helps solving those damn syntax errors. oh and if you can't find how to get something(ex. the ! is [Math][>][>][3](I'm not positive on that)) just press [2nd]and either 0 or . which ever one gets you to the Catalogue, there you can simply press a letter and it jumps to that letter or press the empty set to go to all the symbols such as ! , * .
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Last edited by drumz0rz : October 27th, 2004 at 05:38 PM.
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Old October 27th, 2004, 07:25 PM
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shit now i cant find an equals sign... where is it guys?

Quote:
Originally Posted by drumz0rz
Yo if i were you I wouldn't use that code above I'd use this:

note: the * is the square root which ends with an ( so thats why theres an extra ) at the end before the arrow
also note the space after answer
Code:
Input "X1=",A
Input "X2=",B
Input "Y1=",C
Input "Y2=",D
*(B-A)2+(D-C)2)->E
Disp "Answer ",E

make sure for the '2's you use a squared.( itested it and it works, If I had my digital camera I would post a ss of my code in the calc so you know you did it right but unfortunatly I don't.

You should read the giant manual, thats how I learned, also find from one of your friends the application call Catalogue Help, it really helps solving those damn syntax errors. oh and if you can't find how to get something(ex. the ! is [Math][>][>][3](I'm not positive on that)) just press [2nd]and either 0 or . which ever one gets you to the Catalogue, there you can simply press a letter and it jumps to that letter or press the empty set to go to all the symbols such as ! , * .
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Old October 27th, 2004, 07:34 PM
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2nd math, but you shouldn't need it. You shuld use the ->
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Old October 27th, 2004, 07:47 PM
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he needs the equals sign to show the display x2= and so on. it is not necessary but adds to the program if anyone else needs it.
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Old October 27th, 2004, 07:54 PM
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nice man, it works
thanks
Quote:
Originally Posted by drumz0rz
Yo if i were you I wouldn't use that code above I'd use this:

note: the * is the square root which ends with an ( so thats why theres an extra ) at the end before the arrow
also note the space after answer
Code:
Input "X1=",A
Input "X2=",B
Input "Y1=",C
Input "Y2=",D
*(B-A)2+(D-C)2)->E
Disp "Answer ",E

make sure for the '2's you use a squared.( itested it and it works, If I had my digital camera I would post a ss of my code in the calc so you know you did it right but unfortunatly I don't.

You should read the giant manual, thats how I learned, also find from one of your friends the application call Catalogue Help, it really helps solving those damn syntax errors. oh and if you can't find how to get something(ex. the ! is [Math][>][>][3](I'm not positive on that)) just press [2nd]and either 0 or . which ever one gets you to the Catalogue, there you can simply press a letter and it jumps to that letter or press the empty set to go to all the symbols such as ! , * .
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Old October 29th, 2004, 04:17 PM
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Quote:
Originally Posted by jkabaseball
2nd math, but you shouldn't need it. You shuld use the ->

hmm.. that gets me thinking, I'm trying to write a program where depending on the input it goes to a different label, it looks something like this
Code:
input "Blah blah Blah",P
If P=Example:Then:goto A:End
If P=Answer:goto B:End
etc...

and no matter what I type it goes to Lbl A but I wonder if I use -> instead of = will it work...
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Old October 29th, 2004, 07:46 PM
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heres something for u to try.

Code:
5->a
5->b
lbl 1
output(a,b,"?")
getkey->c
if c=21
quit
if c=24
then
b-1->b
clrhome
end
if c=25
then
a-1->a
clrhome
end
if c=26
then
b+1->b
clrhome
end
if c=34
then
a+1->a
clrhome
end
if a=1
a+1->a
if a=8
a-1->a
if b=1
b+1->b
if b=16
b-1->b
goto1

when u run the program hit the arrow keys. to quit press the 2nd key.
you were saying about different inputs taking you to different labels. you cant really input full text. if I am correct the ti83 only lets you store numbers as characters. but you can say something like:

Code:
lbl 1
input "testloop", a
disp "enter number from 1-10" 
if a>10
goto 1

what this does is if u input a number greater than 10 it will repeat the program. anything less than 10 will end the program.
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Old October 29th, 2004, 09:12 PM
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