The number Ï is a mathematical constant, the ratio of a circle 's circumference to its diameter, commonly approximated as 3.14159. It has been represented by the Greek letter  Ï  since the mid-18th century, though it is also sometimes spelled out as  pi  (/paÉª/). Being an irrational number, Ï cannot be expressed exactly as a fraction (equivalently, its decimal representation never ends and never settles into a permanent repeating pattern).
Paris, France is also known under the nicknames: The City of Lights The City of Love = The City od Love and Lights It is called these names because of the view from the eiffi â¦ el tower which is so romantic and you can see a view of everything that is lite at night while overlooking the eiffiel tower.
As a result, Paris has acquired a reputation as the City of Art. Home to some of the world's most famous museums and galleries, including the Louvre and the Musee musÃ©e'D, orsay the city today remains home to a thriving community of. artistsnother annual art event held in Paris is the Art Paris Art Fair. During 2013, the fair attracted more visitors than in the previous year, when 1500 artists (43% from foreign countries) participated.