HP-11C
#1

Can someone please inform me on how to reset this calculator.

Can you also send your response to my email address

thank you in advance

#2

Hi;

with the calculator OFF:

1 - press and hold [-] key;

2 - while [-] key is pressed, switch the calculator [ON]

3 - release the [-] key

If the reset is successfull, Pr Error is shown in the display.

Cheers.



Possibly Related Threads…
Thread Author Replies Views Last Post
  HP-11C "horse racing" version Peter Murphy (Livermore) 2 1,754 08-12-2013, 07:34 PM
Last Post: rpn fan
  HP-11C and complex numbers Antlab 5 2,230 06-28-2013, 08:59 AM
Last Post: Antlab
  HP 11C Batteries have lasted 22 years nink 3 1,475 06-23-2013, 06:51 PM
Last Post: Les Koller
  Creeping black pattern on HP-11C screen Larry Gagnon 6 2,130 04-12-2013, 10:09 AM
Last Post: Peter Murphy (Livermore)
  HP 11C/12C/15C/16C case Philippe Cairic 4 2,127 11-06-2012, 06:04 PM
Last Post: Matt Agajanian
  HP-11C Back Screws John Swisher 0 1,300 09-12-2012, 10:52 AM
Last Post: John Swisher
  1/2 HP-11C display Duane Hess 13 3,613 08-21-2012, 08:44 AM
Last Post: uhmgawa
  One owner HP 11c Ethan Conner 2 1,330 08-11-2012, 09:13 PM
Last Post: Fabricio
  HP 11C low battery indicator Onur Ilkorur 8 2,820 10-01-2011, 03:17 AM
Last Post: Katie Wasserman
  HP 11C suddenly won't turn on Antonio Petri (UK) 2 1,325 09-20-2011, 03:30 PM
Last Post: Antonio Petri (UK)

Forum Jump: