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  2. Lies of P - Wikipedia

    en.wikipedia.org/wiki/Lies_of_P

    Lies of P (Korean: P의 거짓) is a 2023 action role-playing game developed by Neowiz and Round8 Studio and published by Neowiz. Loosely based on Carlo Collodi's 1883 novel, The Adventures of Pinocchio, the story follows the titular puppet traversing the fictional city of Krat, plagued by both an epidemic of petrification disease and a puppet uprising.

  3. Approximations of π - Wikipedia

    en.wikipedia.org/wiki/Approximations_of_π

    Archimedes uses no trigonometry in this computation and the difficulty in applying the method lies in obtaining good approximations for the square roots that are involved. Trigonometry, in the form of a table of chord lengths in a circle, was probably used by Claudius Ptolemy of Alexandria to obtain the value of π given in the Almagest (circa ...

  4. Proof that π is irrational - Wikipedia

    en.wikipedia.org/wiki/Proof_that_π_is_irrational

    In the 1760s, Johann Heinrich Lambert was the first to prove that the number π is irrational, meaning it cannot be expressed as a fraction /, where and are both integers. ...

  5. Table of Lie groups - Wikipedia

    en.wikipedia.org/wiki/Table_of_Lie_groups

    This article gives a table of some common Lie groups and their associated Lie algebras.. The following are noted: the topological properties of the group (dimension; connectedness; compactness; the nature of the fundamental group; and whether or not they are simply connected) as well as on their algebraic properties (abelian; simple; semisimple).

  6. 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 ...

  7. Prime-counting function - Wikipedia

    en.wikipedia.org/wiki/Prime-counting_function

    All other prior entries in this table were also verified as part of that work. The values for 10 27 , 10 28 , and 10 29 were announced by David Baugh and Kim Walisch in 2015, [ 17 ] 2020, [ 18 ] and 2022, [ 19 ] respectively.

  8. Piphilology - Wikipedia

    en.wikipedia.org/wiki/Piphilology

    Piphilology comprises the creation and use of mnemonic techniques to remember many digits of the mathematical constant π.The word is a play on the word "pi" itself and of the linguistic field of philology.

  9. 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.