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    Re: HR-1 working re-creation and new questions
    From: Frank Reed
    Date: 2013 Feb 19, 21:14 -0800

    Norm, of Wolfram Alpha, you wrote:
    "Sort of Siri for nerds. Try it."

    In fact, you may find that Siri uses "Wolfram Alpha" for some queries. Siri, and similar services on Android firms, appear to have finally converted W.A. into a commercial product. If you have a phone with a voice query function, ask it this: "what is the cosine of 33 degrees?" You should get a meaningful answer. Now ask it: "what is the sine of 33 degrees?" Doesn't work. See why? Or I should say, hear why?

    By the way, despite Mathematica's reputation, there are often flaws in the data supplied by Wolfram Alpha for questions outside math, but it's an interesting diversion from Wikipedia!

    You also wrote:
    "Finally, the illustrations I posted have some errors. I'd remove them, but don't know how!"

    If you want the previous versions replaced, I can do that for you. Just email the files to me at Frank[at]ReedNavigation.com. It's also appropriate to post a reply to the earlier message with the updated versions of the files and maybe a brief explanation of what has changed. It's up to you.

    -FER


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