Square Root Day is a reminder that math is all around us, says Terrence Blackman, chair of the mathematics department at Medgar Evers College in the City University of New York.

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 ...

IN NATURE for June 19, Mr. John Wishart directs attention to certain inaccuracies of one unit in the last printed place in Barlow's Tables of the square roots of numbers. Such errors are very ...