BLOGGER TEMPLATES AND TWITTER BACKGROUNDS

Thursday, October 14, 2010

Math Trivia!

The plus and minus sign symbols we use all the time has around since 1489 AD. The equal sign we're very familiar with has been around since 1557. It was first used in England by a man named Robert Recorde.



Did you know that...

111,111,111 x 111,111,111 = 12,345,678,987,654,321

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