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  2. Pi Day - Wikipedia

    en.wikipedia.org/wiki/Pi_Day

    Pi Day is an annual celebration of the mathematical constant π (pi). Pi Day is observed on March 14 (the 3rd month) since 3, 1, and 4 are the first three significant figures of π, and was first celebrated in the United States. [2][3] It was founded in 1988 by Larry Shaw, an employee of a science museum in San Francisco, the Exploratorium.

  3. Chronology of computation of π - Wikipedia

    en.wikipedia.org/wiki/Chronology_of_computation...

    The table below is a brief chronology of computed numerical values of, or bounds on, the mathematical constant pi (π). For more detailed explanations for some of these calculations, see Approximations of π. As of July 2024, π has been calculated to 202,112,290,000,000 (approximately 202 trillion) decimal digits.

  4. Tau (particle) - Wikipedia

    en.wikipedia.org/wiki/Tau_(particle)

    The tau (τ), also called the tau lepton, tau particle, tauon or tau electron, is an elementary particle similar to the electron, with negative electric charge and a spin of ⁠ 1 2 ⁠. Like the electron, the muon, and the three neutrinos, the tau is a lepton, and like all elementary particles with half-integer spin, the tau has a ...

  5. It's Pi Day! Your guide to deals and snacks on math's ... - AOL

    www.aol.com/pi-day-guide-deals-snacks-113023869.html

    2024 Pi Day pizza deals, 'free pizza' for Pi Day Blaze Pizza : Buy one 11" Pizza, get one for $3.14. Digiorno : According to an email to The Courier Journal, Digiorno is introducing its Pizza ...

  6. Like infinite digits of pi, there are endless ways to ... - AOL

    www.aol.com/infinite-digits-pi-endless-ways...

    Pi Day is celebrated each year on March 14 because the date's numbers, 3-1-4 match the first three digits of pi, the never-ending mathematical number. "I love that it is so nerdy.

  7. What Is Pi Day? Here’s How the Mathematical Symbol Turned ...

    www.aol.com/lifestyle/pi-day-mathematical-symbol...

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  8. Ramanujan tau function - Wikipedia

    en.wikipedia.org/wiki/Ramanujan_tau_function

    Ramanujan tau function. Values of |τ (n) | for n < 16,000 with a logarithmic scale. The blue line picks only the values of n that are multiples of 121. The Ramanujan tau function, studied by Ramanujan (1916), is the function defined by the following identity: where q = exp (2πiz) with Im z > 0, is the Euler function, η is the Dedekind eta ...

  9. What's Pi Day all about? Math, science, pies and more - AOL

    www.aol.com/news/whats-pi-day-math-science...

    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 ...