HP Forum Archive 21

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ARCL ST X on -42S Message #1 Posted by Chris Rob Johnson on 25 Nov 2013, 12:41 p.m. After much hair-pulling and screeching, I've finally given up on trying to key in ARCL ST X for the Resistor Value program. ARCL seems to have no such parameter as ST X.........assistance would be excruciatingly welcome!

Re: ARCL ST X on -42S Message #2 Posted by Hans Brueggemann on 25 Nov 2013, 1:52 p.m., in response to message #1 by Chris Rob Johnson on an HP-41C you would type [ALPHA] [SHIFT] [RCL] [.] [6] hth, hans

Re: ARCL ST X on -42S Message #3 Posted by Hans Brueggemann on 25 Nov 2013, 1:54 p.m., in response to message #2 by Hans Brueggemann Quote: on an HP-41C you would type [ALPHA] [SHIFT] [RCL] [.] [6] hth, hans ... and of course another [ALPHA] at the end to close the sequence.

Re: ARCL ST X on -42S Message #4 Posted by Hans Holzach on 25 Nov 2013, 3:25 p.m., in response to message #1 by Chris Rob Johnson hmm, don't know if i understood correctly, but... ALPHA RCL . ST X works fine regards, hans Edited: 25 Nov 2013, 3:26 p.m.

Re: ARCL ST X on -42S Message #5 Posted by Mike Morrow on 25 Nov 2013, 3:49 p.m., in response to message #4 by Hans Holzach Quote: ALPHA RCL . ST X works fine That's the easy way! If more complexity is desired: :-) CATALOG FCN down arrow down arrow ARCL . ST X The end result in a program is a line of code like: ## ARCL ST X I suppose what isn't obvious to one not familiar with HP-41C/42S keystroke programming is the need for "." (period) after ARCL to allow selection the desired stack register. Edited: 25 Nov 2013, 3:55 p.m. after one or more responses were posted

Re: ARCL ST X on -42S Message #6 Posted by Walter B on 25 Nov 2013, 3:55 p.m., in response to message #5 by Mike Morrow I recommend reading the manual - on p. 133 it is stating exactly that a [.] is required before a stack register can be called. d#-/

Re: ARCL ST X on -42S Message #7 Posted by Mike Morrow on 25 Nov 2013, 4:16 p.m., in response to message #6 by Walter B I think that the tendency when entering this line on an HP 42S is that when the ARCL _ _ is shown, there appears for selection the variables existing on the calculator. It would be tempting to expect that in addition to the variable list, a list of the stack registers should appear. One must know somehow that the list of stack registers does not appear until the magic "." is pushed. There's nothing obvious about that, if one hasn't some prior familiarity with the 41C/42S. As you stated, Walter, the manual explains this. But it's more fun to ignore the documentation for first attempts. :-)

Re: ARCL ST X on -42S Message #8 Posted by Hans Holzach on 25 Nov 2013, 4:23 p.m., in response to message #7 by Mike Morrow Quote: But it's more fun to ignore the documentation for first attempts. :-) exactly my thought when i got an hp-il/rs-232 interface. i was wrong :-)

Re: ARCL ST X on -42S Message #9 Posted by Mike Morrow on 26 Nov 2013, 12:29 p.m., in response to message #8 by Hans Holzach Quote: ...i was wrong :-) Anyone who does not ignore the documentation after getting a new device is not a normal person! (Unless he has just received his first chainsaw or W88 nuclear warhead.) :-)

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