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(HP-67/97) a little fun with the fifteen puzzle
12-06-2016, 12:24 AM (This post was last modified: 12-06-2016 03:38 PM by Don Shepherd.)
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RE: (HP-67/97) a little fun with the fifteen puzzle
Thanks Dieter and Gene. I changed the x<y to x<=y in the code above.

Yes, I remember as I was entering the program that there was no x<y, so as Gene suggested I tried x<=y and that worked (it works because, in this instance, the two values in x and y can never be equal). I created the HP-67 program from a solver equation I had on the 17b which runs much faster than the 67 code (20 seconds versus 2 and a half minutes).

Thanks for that link Gene, it appears to be a treasure trove of good information on the 67. I plan on studying that document over the holidays.
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RE: (HP-67/97) a little fun with the fifteen puzzle - Don Shepherd - 12-06-2016 12:24 AM

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