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How many of you know that Tuesday is a very unique day? The last such day was five years ago and the next one is seven years away.
Well, Tuesday is square root day, a humorous holiday celebrated on dates where the day and the month are both the square root of the last two digits in the current year.
For example, the last square root day was Feb. 2, 2004, (2/2/04) and the next square root day is this Tuesday, 3/3/09.
The final square root day of the century will occur on Sept. 9, 2081.
So far, we have had square root days on 1/1/01, 2/2/04 and 3/3/09.
Look ahead, there will be celebrations on 4/4/16, 5/5/25, 6/6/36, 7/7/49, 8/8/64 and 9/9/81.
Square root day is a holiday that was begun and is promoted by Ron Gordon, a U.S. high school teacher in Redwood City, Calif.
One suggested way of celebrating the holiday is by eating square radishes, or other root vegetables cut into squares (the truly pedantic will point out that these would actually be cubes).
Of course you can drink root beet, tie some square knots orjust see squares.
Whatever you do – or don’t do – this is a fun exercise and helps keep math teachers sane. Or not.
Anyway, if this does nothing for you, then take heart, Metric Day (10/10) is months away but Pi Day (3/14) is right around the corner!
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