Re: [Mid] A lesson in Algorism

From: Charles J. Cohen <charles_at_eecs.umich.edu>
Date: Sat 12 Jun 1999 08:45:02 AM EDT
Message-Id: <199906121245.IAA06105@krusty.eecs.umich.edu>

>> When you perform some math processes, you can actually curtail an
>> infinite series and make it a finite, albeit long, series of digits.

> OK, Midair, yer Grace and whoever else wants in on this, please
>explain [off-list, unless this is also a period "game"] how multiplying
>an
>infinite number [in this case, .9... ] by 10 makes it finite, rather
>than 10
>times what it was before.

That's the whole point. The operation of multiplying by 10 doesn't
make the infinite sequence finite. This is where I think Duke
Andrew's analysis is incorrect. - Midair

p.s. If it did make it finite, then pi wouldn't be as interesting as
it is now, and the Greeks would have been able to square the circle.

From: "Charles J. Cohen" <charles@eecs.umich.edu>
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Received on Sat Jun 12 08:42:00 1999

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