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Simple Questions about TI-BASIC codes. (And Help)
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Anakclusmos


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Joined: 28 Jul 2009
Posts: 681
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Posted: 14 Sep 2010 09:37:24 pm    Post subject:
Mad hey! how'd you do that checktimer thingy?
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souvik1997


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Joined: 19 Apr 2010
Posts: 2870
Posted: 14 Sep 2010 09:44:09 pm    Post subject:
Anakclusmos wrote:
Mad hey! how'd you do that checktimer thingy?



Code:
startTmr -> A
For(X,1,100
//whatever you want to test
End
Disp checkTmr(A

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_player1537


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Joined: 25 Nov 2009
Posts: 2958
Posted: 14 Sep 2010 09:46:13 pm    Post subject:
Starttimer is only on the 84+/se calculators. It takes the current time and stores it to a variable. CheckTimer() takes the current time minus the variable (the one you used with starttimer
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Anakclusmos


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Joined: 28 Jul 2009
Posts: 681
Location: The 5th Dimension
Posted: 14 Sep 2010 09:47:15 pm    Post subject:
Sad having an 83+ is like holding a turd in your hands, saying "i wish i had food" and making the best of what you have.

it just sucks.
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KermMartian


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Joined: 14 Mar 2005
Posts: 55764
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Posted: 14 Sep 2010 09:53:42 pm    Post subject:
Anakclusmos wrote:
Sad having an 83+ is like holding a turd in your hands, saying "i wish i had food" and making the best of what you have.

it just sucks.
In terms of archive space and such, but I like the hardware a lot more than the 84s because it's more hackable: separate chips, separate display, etc.
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Sonlen


Calculator Deity


Joined: 25 Aug 2010
Posts: 1679
Posted: 14 Sep 2010 09:54:09 pm    Post subject:
Please guys, keep on topic.... >.<
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comicIDIOT wrote:
KermMartian wrote:
Stop double-posting. If you can't edit your posts, delete your old post before you post a new post.
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Anakclusmos


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Joined: 28 Jul 2009
Posts: 681
Location: The 5th Dimension
Posted: 14 Sep 2010 10:07:13 pm    Post subject:
i have a delima...im working on an Oncalc z80 compiler for the 83+ (in basic, not Progpad) and am replacing parameters in equates with their decimal form so i can just equ( to solve it.i need help converting a number to a string AS FAST AS POSSIBLE speed is of the essence
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souvik1997


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Joined: 19 Apr 2010
Posts: 2870
Posted: 14 Sep 2010 10:10:09 pm    Post subject:
Celtic3: det(1,<number>)
Symbolic: numStr(<number>

Pure Basic:

http://tibasicdev.wikidot.com/number-to-string
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Anakclusmos


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Joined: 28 Jul 2009
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Location: The 5th Dimension
Posted: 14 Sep 2010 10:15:35 pm    Post subject:
Laughing thanks, its perfect!
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KermMartian


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Joined: 14 Mar 2005
Posts: 55764
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Posted: 14 Sep 2010 10:31:15 pm    Post subject:
souvik1997 wrote:
Celtic3: det(1,<number>)
Symbolic: numStr(<number>

Pure Basic:

http://tibasicdev.wikidot.com/number-to-string
Very nice, good call. Smile And with the power of expr(), you can turn strings back into numbers!
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Weregoose


Cemetech Expert


Joined: 23 Oct 2009
Posts: 464
Posted: 14 Sep 2010 11:03:41 pm    Post subject:
Quote:

Code:
22
...
Code:
19

There needs to be a 4-second differential to constitute a proof. The timeframe of each test might well have a fixed length, but depending on whether it starts at the commencement or just before the culmination of the second on which it is first run, the number that it ultimately reports to have landed on can separate from its median by as much as a second in either direction, which marks ±[0,2) as the potential range for error.

15% is a loose lower bound at best. When you consider the number of elements as a possible factor, the ratio would expand into a linear equation with the dimension as the independent variable. Even without considering dim>1, a misreported time of 19 (e.g.) instead of a possible 20 would instantly add 4.5% to your estimate. It goes without saying that more iterations are necessary to more finely converge on the right value.
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KermMartian


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Joined: 14 Mar 2005
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Posted: 15 Sep 2010 12:56:46 am    Post subject:
For sure; tanner, would you care to run those again for a larger number of iterations? I think this still gives you the rough idea that they're fairly close; it's not like they were off by an order of magnitude. In fact, I bet somewhere in the backend their execution overlaps significantly.
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Sonlen


Calculator Deity


Joined: 25 Aug 2010
Posts: 1679
Posted: 19 Sep 2010 01:52:11 pm    Post subject:
BASIC Code wrote:
:real(10,1,1
:If C≥1 and D≥1 and C≤4 and D≤4
:Then:"ZMAP1
:real(10,0,1
:prgmXMAP
:If C≥1 and D≥5 and C≤4 and D≤8
:"ZMAP2
:real(10,0,1
:prgmXMAP
:If C≥1 and D≥9 and C≤4 and D≤12
:"ZMAP3
:real(10,0,1
:prgmXMAP
:If C≥1 and D≥13 and C≤4 and D≤16
:"ZMAP4
:real(10,0,1
:prgmXMAP
:If C≥5 and D≥1 and C≤8 and D≤4
:"ZMAP5
:real(10,0,1
:prgmXMAP
:If C≥5 and D≥5 and C≤8 and D≤8
:"ZMAP6
:real(10,0,1
:prgmXMAP
:If C≥5 and D≥9 and C≤8 and D≤12
:"ZMAP7
:real(10,0,1
:prgmXMAP
:If C≥5 and D≥13 and C≤8 and D≤16
:"ZMAP8
:real(10,0,1
:prgmXMAP
:Return
Generated by SourceCoder, © 2005-2010 Cemetech


I believe the above code is how the Celtic ExecArcPrgm works, can I be corrected if I am wrong please?
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comicIDIOT wrote:
KermMartian wrote:
Stop double-posting. If you can't edit your posts, delete your old post before you post a new post.
I am too lazy to actually make my own post so instead I quote people and then don't say anything new


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KermMartian


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Joined: 14 Mar 2005
Posts: 55764
Location: Earth, Sol, Milky Way
Posted: 19 Sep 2010 01:54:46 pm    Post subject:
1) You have a Then with no End
2) No, that's not how it works. It's something like this:


Code:
:"ZMAP1
:real(10,0,1  //create prgmXTEMP001 in RAM from ZMAP1
:prgmXTEMP001 //run it
:real(10,1,1  //delete it

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Sonlen


Calculator Deity


Joined: 25 Aug 2010
Posts: 1679
Posted: 19 Sep 2010 01:56:09 pm    Post subject:
KermMartian wrote:
1) You have a Then with no End
2) No, that's not how it works. It's something like this:


Code:
:"ZMAP1
:real(10,0,1  //create prgmXTEMP001 in RAM from ZMAP1
:prgmXTEMP001 //run it
:real(10,1,1  //delete it

Forgot about the end. >.< I will fix it and repost it.
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comicIDIOT wrote:
KermMartian wrote:
Stop double-posting. If you can't edit your posts, delete your old post before you post a new post.
I am too lazy to actually make my own post so instead I quote people and then don't say anything new


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KermMartian


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Joined: 14 Mar 2005
Posts: 55764
Location: Earth, Sol, Milky Way
Posted: 19 Sep 2010 01:57:24 pm    Post subject:
Sure thing, but do you see what happens? It doesn't move prgmZMAP1 to RAM, it copies its contents into a temporary program, XTEMP001 for real(10,0,1), or XTEMP005 for real(10,0,5), etc.
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Sonlen


Calculator Deity


Joined: 25 Aug 2010
Posts: 1679
Posted: 19 Sep 2010 01:58:51 pm    Post subject:
KermMartian wrote:
Sure thing, but do you see what happens? It doesn't move prgmZMAP1 to RAM, it copies its contents into a temporary program, XTEMP001 for real(10,0,1), or XTEMP005 for real(10,0,5), etc.

I knew it copied the contents of it to another program, but I thought you defined the name of it.
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comicIDIOT wrote:
KermMartian wrote:
Stop double-posting. If you can't edit your posts, delete your old post before you post a new post.
I am too lazy to actually make my own post so instead I quote people and then don't say anything new


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KermMartian


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Joined: 14 Mar 2005
Posts: 55764
Location: Earth, Sol, Milky Way
Posted: 19 Sep 2010 01:59:32 pm    Post subject:
You only define the last character of the name by the third argument to real(, as you hopefully now see?
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Sonlen


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Joined: 25 Aug 2010
Posts: 1679
Posted: 19 Sep 2010 02:01:22 pm    Post subject:
BASIC Code wrote:
:If C≥1 and D≥1 and C≤4 and D≤4
:"ZMAP1
:real(10,0,1
:prgmXTEMP001
:real(10,1,1
:If C≥1 and D≥5 and C≤4 and D≤8
:"ZMAP2
:real(10,0,1
:prgmXTEMP001
:real(10,1,1
:If C≥1 and D≥9 and C≤4 and D≤12
:"ZMAP3
:real(10,0,1
:prgmXTEMP001
:real(10,1,1
:If C≥1 and D≥13 and C≤4 and D≤16
:"ZMAP4
:real(10,0,1
:prgmXTEMP001
:real(10,1,1
:If C≥5 and D≥1 and C≤8 and D≤4
:"ZMAP5
:real(10,0,1
:prgmXTEMP001
:real(10,1,1
:If C≥5 and D≥5 and C≤8 and D≤8
:"ZMAP6
:real(10,0,1
:prgmXTEMP001
:real(10,1,1
:If C≥5 and D≥9 and C≤8 and D≤12
:"ZMAP7
:real(10,0,1
:prgmXTEMP001
:real(10,1,1
:If C≥5 and D≥13 and C≤8 and D≤16
:"ZMAP8
:real(10,0,1
:prgmXTEMP001
:real(10,1,1
:Return
Generated by SourceCoder, © 2005-2010 Cemetech

So unless I can't read, this one should be correct.
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comicIDIOT wrote:
KermMartian wrote:
Stop double-posting. If you can't edit your posts, delete your old post before you post a new post.
I am too lazy to actually make my own post so instead I quote people and then don't say anything new


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KermMartian


Site Admin


Joined: 14 Mar 2005
Posts: 55764
Location: Earth, Sol, Milky Way
Posted: 19 Sep 2010 02:28:11 pm    Post subject:
It's sort of correct, except remember that an If without Then/End only executes one command. This is functionally correct and much much smaller:


Code:
:If C≥1 and D≥1 and C≤4 and D≤4
:"ZMAP1
:If C≥1 and D≥5 and C≤4 and D≤8
:"ZMAP2
:If C≥1 and D≥9 and C≤4 and D≤12
:"ZMAP3
:If C≥1 and D≥13 and C≤4 and D≤16
:"ZMAP4
:If C≥5 and D≥1 and C≤8 and D≤4
:"ZMAP5
:If C≥5 and D≥5 and C≤8 and D≤8
:"ZMAP6
:If C≥5 and D≥9 and C≤8 and D≤12
:"ZMAP7
:If C≥5 and D≥13 and C≤8 and D≤16
:"ZMAP8
:real(10,0,1
:prgmXTEMP001
:real(10,1,1

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