Happy square root day!

Happy square root day! Today is the third of nine square root days this century. The first was January 1, 2001 (1/1/01), then February 2, 2004 (2/2/04). Today is March 3, 2009 (3/3/09). The last square root day of this century will be September 9, 2081 (9/9/81). Please act responsibly on this nerdy holiday and…