I want to thank Reth, Thomas Radtke, Paul Dale, and Gene Wright for helping us all with their programs and helpful guidance regarding these conversions on the HP-35s.
tm
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35s Polar-Rectangular Conversions
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08-16-2007, 10:24 PM
I want to thank Reth, Thomas Radtke, Paul Dale, and Gene Wright for helping us all with their programs and helpful guidance regarding these conversions on the HP-35s. tm ▼
08-17-2007, 08:37 AM
It would be nice if we had one article that summarized these conversions and maybe Mr Hicks would be so kind to post that to his site someplace. ▼
08-17-2007, 08:54 AM
Yep, it would be nice. Until then you can find the programs here, just in case you missed the thread the first time around. Thanks to those involved from myself as well. ▼
08-17-2007, 09:27 AM
Strange, as I thought in different post, someone say x+iy and apply ARG to get P -> R conversion. Not sure though how you would go back. ▼
08-17-2007, 09:44 AM
ARG returns the polar angle and ABS returns the magnitude. That's basically what's happening in this line of Paul Dale's code: P006 eqn [ATAN(REGT/REGZ),SQRT(SQ(REGT)+SQ(REGZ))]
This is just better because you don't lose the Z and T registers. Edited: 17 Aug 2007, 9:46 a.m. ▼
08-17-2007, 09:50 AM
So to get it back to P, I just do X+iY ABS? Why does that not make sense? I guess the point I try to make before though, is it would be nice to have summary of program or key stroke that do this. With the link you provide, you must read through all posts to figure out which one most efficient. Even now, I look at listings and not sure which one to use. I just know x+iy ARG give me R
Edited: 17 Aug 2007, 9:56 a.m. ▼
08-17-2007, 09:58 AM
Paul Dale's second posting of the programs. Message #15. Edited: 17 Aug 2007, 9:58 a.m. ▼
08-17-2007, 10:17 AM
One thing I do not understand in his post if when he enters SF 10? How do you get the question mark? Also, I see next to his line numbers sometime an *. What does this indicate? I see this in other listings too. ▼
08-17-2007, 10:49 AM
There should be no question mark after a SF 10 instruction. There IS a question mark if you are testing the flag using a FS? 10 instruction. The asterisk indicates that the line number the asterisk is next to is the destination of a GTO or XEQ from somewhere else in the program. This has been manually typed into the program listing to help find the step number when reading the program. It does not show up in the 35s itself.
08-19-2007, 05:02 PM
I have submitted the conversion programs to the MoHPC software library. It will turn up eventually. I didn't think writing an article as well would add anything. Although it would be available a little more quickly. - Pauli |