This May marks the only time a calendar has a Square Root Day in a 20-year span, ... May 5, 2025 is Square Root Day. Here's the meaning of the numerical holiday. Catherine Messier.

However, Vans' logo was actually something of a happy accident, and anyone who has got their GCSE in maths should recognise that the V in Vans is actually the square root symbol.

Learn the meaning and application of the terms square, cube, square root, cube root and reciprocal with BBC Bitesize GCSE Maths.