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  2. Six nines in pi - Wikipedia

    en.wikipedia.org/wiki/Six_nines_in_pi

    A sequence of six consecutive nines occurs in the decimal representation of the number pi (π), starting at the 762nd decimal place. [1] [2] It has become famous because of the mathematical coincidence, and because of the idea that one could memorize the digits of π up to that point, and then suggest that π is rational.

  3. Chronology of computation of π - Wikipedia

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

    Pi, (equal to 3.14159265358979323846264338327950288) is a mathematical sequence of numbers. The table below is a brief chronology of computed numerical values of, or ...

  4. Pi function - Wikipedia

    en.wikipedia.org/wiki/Pi_function

    (Pi function) – the gamma function when offset to coincide with the factorial Rectangular function π ( n ) {\displaystyle \pi (n)\,\!} – the Pisano period

  5. Proof that π is irrational - Wikipedia

    en.wikipedia.org/wiki/Proof_that_π_is_irrational

    But a sequence of numbers greater than or equal to | | cannot converge to Since f 1 / 2 ( 1 4 π ) = cos ⁡ 1 2 π = 0 , {\displaystyle f_{1/2}({\tfrac {1}{4}}\pi )=\cos {\tfrac {1}{2}}\pi =0,} it follows from claim 3 that 1 16 π 2 {\displaystyle {\tfrac {1}{16}}\pi ^{2}} is irrational and therefore that π {\displaystyle \pi } is irrational.

  6. Pi - Wikipedia

    en.wikipedia.org/wiki/Pi

    The number π (/ p aɪ / ⓘ; spelled out as "pi") is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its diameter.It appears in many formulae across mathematics and physics, and some of these formulae are commonly used for defining π, to avoid relying on the definition of the length of a curve.

  7. Pisano period - Wikipedia

    en.wikipedia.org/wiki/Pisano_period

    For generalized Fibonacci sequences (satisfying the same recurrence relation, but with other initial values, e.g. the Lucas numbers) the number of occurrences of 0 per cycle is 0, 1, 2, or 4. The ratio of the Pisano period of n and the number of zeros modulo n in the cycle gives the rank of apparition or Fibonacci entry point of n.

  8. Why Does Nicole Kidman Keep Repeating Herself?

    www.aol.com/why-does-nicole-kidman-keep...

    Not every show has to be a masterpiece to be a good time, nor does being a great actor require career-long genuflection at the altar of cinema (but thank you, Daniel Day-Lewis, for your service).

  9. Approximations of π - Wikipedia

    en.wikipedia.org/wiki/Approximations_of_π

    Consider all cells (x, y) in which both x and y are integers between − r and r. Starting at 0, add 1 for each cell whose distance to the origin (0, 0) is less than or equal to r. When finished, divide the sum, representing the area of a circle of radius r, by r 2 to find the approximation of π. For example, if r is 5, then the cells ...