One small step for mathematics

It’s March 3, 2009, which shares an important distinction with February 2, 2004, September 9, 1981, August 8, 1964, and April 4, 2016.

It’s Square Root Day.

It, like an increase in your IRA and 401k, happens only nine times a century. It’s when the day and the month are the same number, and when multiplied together make up the last two digits of the year.


  • Kim V

    This is so geeky, I love it!