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TI-Basic => TI-BASIC
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Newbie

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Joined: 23 Jan 2004
Posts: 2247

 Posted: 07 Mar 2004 12:44:06 pm    Post subject: Is it possible to have a command line like ptoff(1,2 and 3,4 and 5,6 and so forth or would that not work? I dont have my calculator so I could not do this myself.
Arcane Wizard
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Joined: 02 Jun 2003
Posts: 8993

 Posted: 07 Mar 2004 12:48:07 pm    Post subject: Nope. You could use a list and a loop though. Or just multiple pt-off statements.
Newbie

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Joined: 23 Jan 2004
Posts: 2247

 Posted: 07 Mar 2004 12:59:48 pm    Post subject: Can you give an example? What I want to be able to do is take points off on a black screen to make words. But I know you cant recall a certain part of a list.Last edited by Guest on 07 Mar 2004 01:04:50 pm; edited 1 time in total
Arcane Wizard
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Joined: 02 Jun 2003
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 Posted: 07 Mar 2004 01:12:07 pm    Post subject: OK, you understand the concept of drawing one white pixel, right? Now, supposing you want to draw two whole white pixels... you would do something very similar to drawing just one, only twice. Pt-Off(1,1 Pt-Off(2,2 Are you still with me? OK, supposing you are too lazy to write all kinds of Pt-Off statements and want to use a loop and a list, you would replace the numbers with elements of the list and loop through these elements. {1,1,2,2,3,3,4,4,5,5->L1 For(X,1,10,2 Pt-Off(L1(X),L1(X+1 End Quote:But I know you cant recall a certain part of a list.Um, you can recall every element of a list.
Newbie

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Joined: 23 Jan 2004
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 Posted: 07 Mar 2004 03:34:01 pm    Post subject: With everything you stored to list 1 how would you recall only 2,2 for instance?
Arcane Wizard
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Joined: 02 Jun 2003
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 Posted: 07 Mar 2004 03:57:22 pm    Post subject: Getting the Nth element of a list: L1(N Getting the Nth + 1 element from a list: L1(N+1 If you want to look through the list and see which element the number 2 is stored to: For(X,1,Dim(L1 If 2=L1(X:X->Y End Y now contains the last element that holds the number 2, with some little modifications you can use this to search for number sequences, every element containing a certain value, etc.
Fr0sty

Member

Joined: 27 Nov 2003
Posts: 202

 Posted: 07 Mar 2004 05:25:42 pm    Post subject: On your code arcane: Wouldn't that pick the last number 2 is stored to?
Arcane Wizard
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Joined: 02 Jun 2003
Posts: 8993

 Posted: 08 Mar 2004 12:04:34 pm    Post subject: Fr0sty wrote:On your code arcane: Wouldn't that pick the last number 2 is stored to? Arcane Wizard wrote:Y now contains the last element that holds the number 2
aka Tianon

Know-It-All

Joined: 02 Jun 2003
Posts: 1874

 Posted: 08 Mar 2004 06:27:31 pm    Post subject: the code you posted a while ago should be changed to this :Code: ```{1,1,2,2,3,3,4,4,5,5->L1 For(X,1,dim(L1),2 Pt-Off(L1(X),L1(X+1 End```
X1011
10100111001

Active Member

Joined: 14 Nov 2003
Posts: 657

 Posted: 08 Mar 2004 08:34:37 pm    Post subject: Newbie wrote:What I want to be able to do is take points off on a black screen to make words. You might want to use lines for that.
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