[Mid] A lesson in Algorism

I'll need to use those new fangled arabic numerals.

Anyway, let x = 0.99999... (where ... means the nines continue
forever).

10x = 9.99999....

        10x 9.99999...
        - x -0.99999...
        --- -----------
         9x 9

Therefore, 9x = 9, or x = 1.

Neat, huh ? - Midair

From: "Charles J. Cohen" <charles@eecs.umich.edu>
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Received on Thu Jun 10 14:38:53 1999