You may know today, June 28, as Tau Day, a celebration of the number 2π, which some people believe to be the superior circle constant. I prefer to observe the most mathematically perfect day of the ...

As a high school student in the mid-1990s, Pace Nielsen encountered a mathematical question that he’s still struggling with to this day. But he doesn’t feel bad: The problem that captivated him, ...

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Although it recurs every year, June 28, or the 28th day of the 6th month, is special. It represents the only day of the year where both the date and the month correspond numerically to the first two ...