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Thread: ickle puzzle...

  1. Apr 29th, 2001, 09:04 AM #1
    DavidHooper
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    ickle puzzle...

    what does this converge to?:
    1/1 - 1/3 + 1/5 - 1/7 + 1/9 - 1/11...

    interesting. when you've found the answer check this out: i heard they had found a digit extraction for it. so, for instance, you could extract the 50billionth digit.
    There are 10 types of people in the world - those that understand binary, and those that don't.
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  2. Apr 30th, 2001, 02:29 AM #2
    Starman
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    Looks like pi/4

    try http://www.mathsoft.com/asolve/plouffe/plouffe.html for the nth digit.
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  3. Apr 30th, 2001, 09:11 AM #3
    DavidHooper
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    test me...

    cool.

    ...give us a challenge.
    any area of maths (preferably not stats).
    There are 10 types of people in the world - those that understand binary, and those that don't.
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