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4 posts tagged with decimal. (View popular tags)
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"Michel de Montaigne, whose essays transformed Western consciousness and literature, was not capable of solving basic arithmetic problems. And most other people would not be able to do so either, if not for the invention of decimal notation by an unknown mathematician in India 1500 years ago.
" The Greatest Mathematical Discovery?
) a paper written for the US Dept. of Energy makes this assertion based in part on the work of Georges Ifrah. [via
] [more inside]
posted by jessamyn
on Aug 26, 2010 -
No, I'm sorry, it does.
There are some arguments that never end. John or Paul? "Another thing coming" or "Another think coming?" But none has the staying power of "Is 0.999999...., with the 9s repeating forever, equal to 1?" A high school math teacher takes on all doubters. Round 2. Round 3. Refutations of some popular "They're not equal" arguments. Refutations, round 2.
You don't have to a mathematician to get in on the fun: .99999=1 discussed on a conspiracy theory website, an Ayn Rand website
(where it is accused to violating the "law of identity"), and a World of Warcraft forum.
But never, as far as I can tell, on MetaFilter.
posted by escabeche
on Sep 30, 2007 -
The Prime Game
is not really much of a game, but it is
a neat & little-known fact about the decimal representation of prime numbers.
posted by Wolfdog
on Jul 10, 2007 -