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    Re: TI-85 Navigation Code.
    From: Bill Lionheart
    Date: 2016 Apr 25, 09:17 +0100

    That is an important point only slightly mitegated by solar chargers. A Kindle will go for weeks on a charge and even without hacking has a java script interpreter in its browser. With the radios off I assume it is backlit displays that use power. You have an ephemeris, sight reduction and can read navigation books. Is there a cheap low power consumption calculator that has the computational muscle to do ephemeris?
    Bill

    On 24 Apr 2016 22:30, "Herman Dekker" <NoReply_Dekker@fer3.com> wrote:

    Frank you have forgotten one thing about the smartphone
    and the battery is dead after one day.


    My TI-89 calculator works a year on a set off battery's (4pc AAA standard batterys).
    My son uses a TI-84 on the high school every day. He had to change the batterys after 1½ year.
    Thats the greatest pro between calculator ans smartphone.

    Bur everybody can use what he likes.

    regards. HermanD

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