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    Re: Casio FX-300ES vs FX-300ES Plus: which one to prefer?
    From: Tony Oz
    Date: 2016 Sep 23, 02:05 -0700

    Frank Reed:
    ..."A small lantern or flashlight is more than enough to power up the Casio fx-260..."

    I could not find neither Casio FX-300ES nor Casio FX-260, so I had to resort with Casio FX-85ES Plus.

    Few observations so far:

    • with its' LR44 battery removed it needs a very significant source of light to operate on solar battery alone (a common twilight is not enough, one will need a torch-light shining directly on the calculator to be able to use it and not loose the intermediary results)
    • according to FX-300es/FX-85ES documentation - this family seems to not have neither binary, nor octal or hexadecimal modes (which I expected to see on a scienttific calculator), luckily they are not necessary for trigonometrics of navigation
    • since MathLab on a PC this is my first experience with a calculator with "what you see is what you get" user interface - VERY impressed! :)

    Regards,

    Tony

       
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