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HP 42s - An alternative manual

This manual is rewritten by Jos Lauro Strapasson of Brazil. Please refer to for more information. This manual is available as is without any warranty. It can be printed, put in web sites to download, freely used, etc, but cannot be translated or changed without author’s permission (except for personal use).


Updated On: 15.07.06

  1. On 17-Nov-2015, Terry Stout wrote: 
    need programing manuel for 42s calculator
    Your reply to Terry Stout
    • On 23-Nov-2015, Ron replied: 
      You can buy a manual (actually several manuals) on a CD from the museum of Hp calculators.
      Your reply to Ron

  2. On 29-Oct-2012, Alessandro wrote: 
    Estou precisando do Manual da 42 S, pode ajudar
    Your reply to Alessandro

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