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Instruction manual for Casio fx -991 Scientific calculator

I am using a fantastic calculator, 20 years old! Its a scientific calculator which I need instructions for. Particularly how to multiply figures e.g 3.8 x 10 to the power of 6 etc

many thanks fee

Posted by on

  • arl778 Aug 09, 2008

    Grateful Thanks for link:

    http://safemanuals.com/zearch_160.php



    Though it does offer several manuals for the Updated Versions of the fx-991

    as fx-991(ms,es,etc.), I could not find the download link for the original

    legacy model. These updated versions are very different in keypad layout,

    functionality and usage



    I too have this wonderful calculator and am looking for its manual

    I'll check back here later.



    I hope you have better luck than I have had because I'm just plumb out of

    search strings.

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There are plenty of casio 991 manuals here. Take your pick!
http://safemanuals.com/zearch_160.php

Dom't forget to leave feedback if it solves your problem. 'fixya'!

Posted on May 01, 2008

  • boff1 May 01, 2008

    Please press the Fixit button!



    Thanks

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