Remember square root day?
Well, he's at it again!

Noticed anything exceptional about yesterdays date?
July 5, 2009 (05/07/09) - three consecutive
odd numbers make up the date only five
times in a century.

This nugget is pointed out by Californian high
school maths teacher Ron Gordon from
Redwood City, a self-confessed

"That's what my kids call me, because I make
something out of nothing from maths,"
the 64-year-old says.

"This really is a day to celebrate. OK, it's true
there will be another one in two years' time on
September 7, 2011 (07/09/11), and one on
November 9, 2013 (09/11/13) but then it won't
happen again for 92 years. And I sure
won't be around to see it."

So what does Ron suggest you do on "Odd Day"? "It's a
great day to do your odds 'n ends, give a friend a
high-five or root for the odds-on-favourite,"
he says. You can't get much more odds-on
than Roger Federer and look what happened!

If these numerical oddities grab you, take
a look at
www.oddday.net and
plunge into his world.

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