Programming HP-42S


I am fairly new to programming HP calculators and I apologize if this question is basic.
I am trying to programme the DPLOT programme on pp156-158 of the HP-42 Owner's Manual.
I cannot find anywhere how I type in line 27 VARMENU IND "FCN"
Thank you in advance


Hi, Howard;

every possible HP42S user has already been, at least once, fairly new to programming it too, so... welcome!

Now for the answer. Keep in mind that the IND (for Indexed, or indirect) is added only when the function (VARMENU, in this case) allows it to. And to add the IND after VARMENU, you should use the [.] key. Prior to go ahead, let´s call [SHIFT] key the prefix, golden key right above the [EXIT] key. Thus, considering that the calculator is already in PRGM mode and you can see step # 26 (whatever you have on it):

press [SHIFT][PRGM.FCN];

press [up-arrow];

press [VARM] menu key (actually [1/X]); you should see 27 VARMENU "_

press [.]; you should see 27 VARMENU IND _ _

press [ENTER] key to bring ALPHA menu back;

key in FCN;

pres [ENTER]

If all goes well, you should have your

in the LCD by now. If not, let us know.


Luiz (Brazil)

Edited: 17 Oct 2009, 12:39 p.m.


Thank you. It works perfectly.

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