Square root days happen only a few times in a century, and the man who brought the day fame is celebrating his sixth one.

Square Root Day — an event that occurs only nine times in a century — was celebrated with a variety of math activities this week at the St. Augustine Elementary School gym. Square Root Day is ...

A numerical pun, Square Root Day celebrates the alignment of a date into the form of the squaring of a number. For example, May 5, 2025, or 5/5/25, represents 5 x 5 = 25, with the square root of ...

Square Root Day was founded by Ron Gordon, a teacher in Redwood City. He keeps this website up about the special day. Gordon suggests it's a good day to get things squared away, or go square dancing.

Tuesday is 3/3/09 and three is the square root of nine. The math-buffs' holiday only happens nine times each century. The next Square Root Day is April 4, 2016 — 4/4/16. Math lovers don't ...