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   Related Manuals for HP HP-11C

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  • Carl K. Hvozda Mar 18, 2019 10:53:
    The word "USER​"appe​ars under the numbers as soon as the hp-11c calculator is turned on. When using any of the functions such as "squa​re root" thru "1/x&​quot;, the result is given as "Erro​r 4".
    H​ow do I delete "USER​" and "Erro​r 4'?

    Thank you in advance.
    c​arl@hvoz.n​et

    PS: I have lost my manual.
  • Greg Jun 28, 2018 02:05:
    Same problem as peter. Refer page 20 problem sorted!
  • peter Oct 31, 2016 03:10:
    I get an Error 4 message when trying to use sq root function
  • Marcio Jorge Antelo da Fontoura Apr 18, 2016 01:08:
    Why does this manual just reach until page 132 when there are many pages and programs ahead ?

    Thank you.