Be square and get to the root of it! Celebrate Square Root Day today!

Today marks Square Root Day (5/5/2025 = 45), a unique celebration of math. Started in 1981 by Ron Gordon, who noticed that September 9th (9/9/81) was the square root of 81, this day has become a popular cultural phenomenon with practical applications like secure coding. Celebrated annually nine times every century, it's a cheerful nod to mathematics, with Ron Gordon continuing to champion the celebration despite his 90th birthday.