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    Online Equation Solver
    From: Bruce Hamilton
    Date: 2009 May 19, 10:10 -0700
     
     
    I have not used it much yet but the people who make Mathematica now have an online search engine that also solves equations, and plots graphs. Type in position of the moon, and you get a sky chart. I am sure may list users will find it useful. No, I do not work for them, but many of the engineers at work find it useful.
     
    <http://www64.wolframalpha.com/>

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