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    Re: Please help me with the math Re: learning sight reduct...
    From: Alexandre Eremenko
    Date: 2006 May 6, 10:18 -0500


    > New question, what is the name of the inverse sin function is excel?

    Try arcsin(). My spreadsheet is very similar to Excel,
    but it is not exactly Excel.

    > Have you have ever seen the Horatio Hornblower series? There is a scene
    > where Horatio and others
    > are sitting on the deck of the ship learning celestial navigation using a
    > slate and chalk.

    You mean there is a movie?
    I just read the book (under the influence of some recent
    Nav-l discussions) and I liked it very much.
    Our library also has "Hornblower Companion", with all maps
    and technical commentaries to all Hornblower's travels and battles.
    Very exciting:-) I regrett I missed this in my youth,
    but in my youth I could only read those books which have been translated
    into Russian, and Hornblower was not.


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