Question about HP 19BII Calculator

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How do I put my HP19BII Calculator back into RPN mode?

How do I put my HP19BII back into RPN mode? My battery went dead and now the memory is lost.

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  • Anonymous Mar 19, 2014

    i type in a number and press enter, and nothing happens. RPN does not work.

  • Anonymous Mar 20, 2014

    how do I turn RPN mode off

  • Anonymous Mar 31, 2014

    How do you put this calculator in in RPN mode?

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Press the [Yellow key] then[DISP] to access the MODES. Press the [MORE] tab (first key to the right) then select [RPN]

Posted on Feb 01, 2010

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1 Answer

How do you clear RNP for an HP 12C


I take it you mean a 12C Platinum.

Press f ALG. ALG is the f-shifted function of the EEX key, just above the double-size ENTER key. This will switch the 12C Platinum from RPN mode to Algebraic mode, and ALG indicator will light up instead of the RPN indicator.

To switch back to RPN, press f RPN. RPN is the f-shifted function of the CHS key just above the EEX key.

Apr 23, 2014 | HP 12c Calculator

1 Answer

For my HP 12C (not a platinum) how do i get back into RPN mode?


I checked the manual, the image of the face of the calculator and there is no way to change the entry mode from RPN to Algebraic. Your calculator is still in RPN, it is the only mode it has. Reset it.

Mar 19, 2014 | HP 12c Calculator

1 Answer

I have a 12C (not a Platinum!), and I can not get back to RPN mode


I checked the manual, the image of the face of the calculator and there is no way to change the entry mode from RPN to Algebraic. Your calculator is still in RPN, it is the only mode it has. Reset it.

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2 Answers

HP12C - get rid of RPN


Press f ALG to switch to the Algebraic mode.

ALG is the shifted function of the EEX key.

Mar 17, 2014 | HP 12c Calculator

1 Answer

I'm in RPN mode, how do I get out of RPN mode?


To switch to the algebraic mode press f [ALG] (the EEX key).

Dec 08, 2011 | HP 12c Calculator

1 Answer

Stuck in alg mode


Assuming you have a 12C Platinum, press f [RPN] to switch from the algebraic to the RPN mode. [RPN] is the shifted function of the CHS key on the top row of the keyboard.

Jun 21, 2011 | HP 12c Calculator

1 Answer

Alg has shown up on my 12c how do i get it back to orginial format


I presume you're on a Platinum since the non-Platinum 12Cs don't have an algebraic mode.

To switch back to RPN, press f [RPN]. That's the yellow "f" key followed by the "CHS" key.

May 18, 2011 | HP 12c Calculator

1 Answer

HOW DO I GET OFF RPN


The HP 12c is a purely RPN calculator; it does not have an algebraic mode.

To switch the HP 12c Platinum to algebraic, press f [ALG].

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3 Answers

Blank lines across the screen of a TI-86 graphing calculator


Try this, hook up new battery and go to MODE and darken and lighten the screen.. do it ten to fifteen times. if that doesn't help, try hook up most left and most right's battery terminal to a DC supply at 4.5V. dont go above 4.5 it will fry your calc (it is design to handle 3V). now you are forcing extra juice into the dead LCD screen lines... and reapeat the MODE + darken trick. I fixed mine like that! Works! and remeber to leave it completely black(darkest) for a while to keep that dead line alive!

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TI-83 Plus Went Dead


Has it been dropped recently? The screen may have cracked from impact. Press the Reset button on the back using a ball point pen.

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