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.
25 Top Tourist Attractions in Paris. As the capital city of France, Paris has endured as an important city for more than 2,000 years. Often called by nicknames like the âcity of loveâ and âcity of lights,â Paris is today one of the worldâs leading centers for business, fashion, entertainment, art and culture.