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Wikipedia is a free multilingual open-source wiki-based online encyclopedia edited and maintained by a community of volunteer editors, started on 15 January 2001 as an English-language encyclopedia. Non-English editions were soon created: the German and Catalan editions were created on circa 16 March, [ 1 ] the French edition was created on 23 ...
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.
The Albanian Wikipedia (Albanian: Wikipedia Shqip) is the Albanian language edition of Wikipedia started on 12 October 2003. As of 15 January 2025, the Wikipedia has 101,316 articles and is the 73rd-largest Wikipedia.
Shqip; Sicilianu; සිංහල ... Wikipedia [c] is a free-content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, ...
Pi (/ˈpaɪ/; Ancient Greek /piː/ or /peî/, uppercase Π, lowercase π, cursive ϖ; Greek: πι) is the sixteenth letter of the Greek alphabet, representing the voiceless bilabial plosive IPA:. In the system of Greek numerals it has a value of 80.
Calculation made in Philadelphia, Pennsylvania, giving the value of pi to 154 digits, 152 of which were correct. First discovered by F. X. von Zach in a library in Oxford, England in the 1780s, and reported to Jean-Étienne Montucla , who published an account of it.
The new Elifbaja shqip by Rexhep Voka in 1911. The Elifba alphabet (Albanian: Elifbaja, from Ottoman Turkish: الفبا, romanized: Elifbâ, Elifba Albanian: ئەلیفبایا ئارابۋ-شكېپ) was the main writing system for the Albanian language during the time of the Ottoman Empire from 14th century to 1911.
This category includes articles related to the mathematical constant pi (π), which represents the ratio of a circle's circumference to its diameter. For other uses, see Pi (disambiguation) . The main article for this category is Pi .