• Equals Pi is a painting created by American artist Jean-Michel Basquiat in 1982. The painting was published in GQ magazine in 1983 and W magazine in 2018...
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  • Thumbnail for Euler's identity
    known as Euler's equation) is the equality e i π + 1 = 0 {\displaystyle e^{i\pi }+1=0} where e {\displaystyle e} is Euler's number, the base of natural logarithms...
    15 KB (1,947 words) - 13:10, 10 April 2025
  • The number π (/paɪ/ ; spelled out as pi) is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to...
    147 KB (17,250 words) - 19:04, 26 April 2025
  • Thumbnail for Pi Day
    circle's circumference to its radius; it equals 2π, a common multiple in mathematical formulae, and approximately equals 6.28. Some have argued that 𝜏 is the...
    22 KB (1,905 words) - 22:06, 31 March 2025
  • Thumbnail for Jean-Michel Basquiat
    Village. Among the works exhibited were A Panel of Experts (1982) and Equals Pi (1982). In early December 1982, Basquiat began working at the Market Street...
    160 KB (16,235 words) - 21:35, 13 May 2025
  • Thumbnail for Indiana pi bill
    once pass a law saying pi equals 3? Snopes.com – Alabama’s Slice of Pi: Did the state legislature of Alabama redefine the value of pi according to Biblical...
    15 KB (1,606 words) - 17:56, 15 March 2025
  • up pi, π, or Π in Wiktionary, the free dictionary. Pi (π) is a mathematical constant equal to a circle's circumference divided by its diameter. Pi, π...
    5 KB (649 words) - 03:42, 26 March 2025
  • Pi (/ˈpaɪ/ ; Ancient Greek /piː/ or /peî/, uppercase Π, lowercase π, cursive ϖ; Greek: πι) is the sixteenth letter of the Greek alphabet, representing...
    12 KB (1,252 words) - 13:50, 25 April 2025
  • Thumbnail for Approximations of π
    Approximations for the mathematical constant pi (π) in the history of mathematics reached an accuracy within 0.04% of the true value before the beginning...
    86 KB (12,068 words) - 11:45, 11 May 2025
  • mean of the pi values equals 1 / R even when all species are not equally abundant. At q = 0, the effective number of species, 0D, hence equals the actual...
    25 KB (3,462 words) - 18:08, 3 February 2025
  • two values are approximately equal. Symbols used to denote items that are approximately equal are wavy or dotted equals signs. Approximation arises naturally...
    15 KB (1,624 words) - 02:37, 25 February 2025
  • {\displaystyle r} equals the real interest rate, i {\displaystyle i} equals the nominal interest rate, and π {\displaystyle \pi } equals the inflation rate...
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  • Area of a circle (redirect from Pi r^2)
    inside a circle is equal to that of a right triangle whose base has the length of the circle's circumference and whose height equals the circle's radius...
    37 KB (5,897 words) - 12:44, 9 May 2025
  • Thumbnail for Squaring the circle
    {\displaystyle {\sqrt {\pi }}} , the length of the side of a square whose area equals that of a unit circle. If π {\displaystyle {\sqrt {\pi }}} were a constructible...
    45 KB (4,922 words) - 22:07, 19 April 2025
  • Thumbnail for Tiffany & Co.
    campaign incorporated Tiffany's recently acquired robin egg blue painting, Equals Pi (1982), by American artist Jean-Michel Basquiat. In 2022, Tiffany partnered...
    89 KB (7,697 words) - 23:47, 4 May 2025
  • Thumbnail for Sine and cosine
    <{\frac {\pi }{2}}} because the length of the hypotenuse of the unit circle is always 1; mathematically speaking, the sine of an angle equals the opposite...
    56 KB (7,025 words) - 22:27, 12 May 2025
  • Thumbnail for Pi-stacking
    In chemistry, pi stacking (also called π–π stacking) refers to the presumptively attractive, noncovalent pi interactions between the pi bonds of aromatic...
    32 KB (3,794 words) - 17:51, 31 December 2024
  • [convert(1/4*n*cot(Pi/n), radical), convert(1/4*n*cot(Pi/n), float)], [convert(1/2*n*sin(2*Pi/n), radical), convert(1/2*n*sin(2*Pi/n), float), convert(1/2*n*sin(2*Pi/n)/Pi...
    31 KB (3,061 words) - 23:46, 28 April 2025
  • Thumbnail for Inverse trigonometric functions
    {Parity} (h)} equals π h {\displaystyle \pi h} when the integer h {\displaystyle h} is even, and equals π h + π {\displaystyle \pi h+\pi } when it's odd...
    75 KB (10,633 words) - 15:56, 30 April 2025
  • Thumbnail for Buckingham π theorem
    p ) = 0 , {\displaystyle F(\pi _{1},\pi _{2},\ldots ,\pi _{p})=0,} where π 1 , … , π p {\displaystyle \pi _{1},\ldots ,\pi _{p}} are dimensionless parameters...
    33 KB (5,492 words) - 16:09, 26 February 2025
  • circle by surrounding it with regular polygons. The perimeter of a polygon equals the sum of the lengths of its sides (edges). In particular, the perimeter...
    11 KB (1,305 words) - 20:33, 11 May 2025
  • Thumbnail for Emmanuel Adjei
    Yellow Diamond and set against the backdrop of Jean-Michel Basquiat's Equals Pi (1982). The film also features a musical performance of the song "Moon...
    10 KB (881 words) - 04:42, 2 April 2025
  • Basel problem (category Pi algorithms)
    {\pi }{4}}{\frac {2\pi te^{2\pi t}-e^{2\pi t}+1}{\pi t^{2}e^{2\pi t}+te^{2\pi t}-t}}\\[6pt]&=\lim _{t\to 0}{\frac {\pi ^{3}te^{2\pi t}}{2\pi \left(\pi t^{2}e^{2\pi...
    44 KB (8,670 words) - 03:32, 4 May 2025
  • Thumbnail for Sinc function
    {sinc} (3)+\operatorname {sinc} (4)+\cdots ={\frac {\pi -1}{2}}.} The sum of the squares also equals ⁠π − 1/2⁠: ∑ n = 1 ∞ sinc 2 ⁡ ( n ) = sinc 2 ⁡ ( 1...
    23 KB (3,233 words) - 18:24, 4 May 2025
  • Thumbnail for Legendre's constant
    }\left(\log(x)-{x \over \pi (x)}\right).} Not only is it now known that the limit exists, but also that its value is equal to 1, somewhat less than Legendre's...
    11 KB (714 words) - 12:34, 11 May 2025
  • Thumbnail for Pion
    Pion (redirect from Pi meson)
    In particle physics, a pion (/ˈpaɪ.ɒn/, PIE-on) or pi meson, denoted with the Greek letter pi (π), is any of three subatomic particles: π0 , π+ , and π−...
    28 KB (2,984 words) - 12:21, 13 May 2025
  • 2 = 1, but can be modified to prove that any number equals any other number. Let a and b be equal, nonzero quantities a = b {\displaystyle a=b} Multiply...
    21 KB (3,178 words) - 15:21, 14 May 2025
  • Thumbnail for Radian
    Radian (category Pi)
    subtends an arc whose length equals the radius of the circle. More generally, the magnitude in radians of a subtended angle is equal to the ratio of the arc...
    41 KB (5,420 words) - 00:20, 13 March 2025
  • collage on canvas 84 x 54 in $2.1 million (2011) Private collection 1982 Equals Pi Acrylic and oilstick on canvas 72 x 72 in $15–20 million Tiffany & Co...
    81 KB (3,580 words) - 22:46, 16 February 2025
  • Thumbnail for Cavalieri's principle
    ( 1 − y h r ) 2 {\displaystyle \pi \left({\sqrt {1-{\frac {y}{h}}}}\,r\right)^{2}} of the flipped paraboloid is equal to the ring-shaped cross-sectional...
    15 KB (1,966 words) - 13:34, 1 May 2025