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  2. Pi Day - Wikipedia

    Pi Day is an annual celebration of the mathematical constant π (pi). Pi Day is observed on March 14 since 3, 1, and 4 are the first thr…
    Pi Day is an annual celebration of the mathematical constant π (pi). Pi Day is observed on March 14 since 3, 1, and 4 are the first three significant figures of π, and was first celebrated in the United States. It was founded in 1988 by Larry Shaw, an employee of a science museum in San Francisco, the Exploratorium. Celebra…
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  1. March 14
    • According to 3 sources
    March 14 marks Pi Day, an annual celebration of the mathematical sign pi. Founded in 1988 by physicist Larry Shaw, March 14 was selected because the numerical date (3.14) represents the first three digits of pi, and it also happens to be Albert Einstein’s birthday.
    Pi is the ratio of the circumference of a circle to its diameter, or approximately 3.14. What is Pi Day? Pi Day occurs on March 14, because the date is written as 3/14 in the United States.
    WASHINGTON (AP) — Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many practical uses.
     
  2. Pi Day | Celebrate Mathematics on March …

    Pi Day is celebrated on March 14th (3/14) around the world. Pi (Greek letter “ π ”) is the symbol used in mathematics to represent a constant — the ratio of the circumference of a …

     
  3. What’s Pi Day all about? Math, science, pies and more

  4. What is Pi Day and why do we celebrate it?

    Mar 14, 2023 · Pi Day is a global event that honors the mathematical constant pi, which represents the ratio of a circle's circumference to its diameter. Learn about the history, …

  5. What is Pi Day? Things to know about the holiday celebrating an …

  6. What is Pi Day? The national holiday and its history, explained

  7. What Is Pi Day and Why Do We Celebrate It? - Discover …

    Mar 14, 2023 · Pi Day is a holiday to honor the irrational number pi, which is the ratio of the circumference to the diameter of a circle. Learn how pi was discovered, calculated and used in various fields, and why it is celebrated on …

  8. What to know about pi on Pi Day - CNN

  9. What Is Pi Day? - HISTORY

    Mar 11, 2017 · Pi Day is an annual celebration of the mathematical sign pi on March 14, which also happens to be Albert Einstein’s birthday. Learn about the history, significance and fun facts of pi, the irrational number that represents …

  10. Pi Day | History & Origin | Dictionary.com

    Mar 14, 2024 · What is Pi Day? Pi Day is a day devoted to celebrating pi, the irrational number (approximately 3.14) that results from dividing the length of the circumference of a circle by the length of its diameter. Pi Day is a …