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.
The city of Paris itself is officially divided into 20 districts called arrondissements, numbered from 1 to 20 in a clockwise spiral from the centre of the city (which is known as Kilometre Zero and is located at the front of Notre Dame).Arrondissements are named according to their number.lthough Paris is better known for romance and food than gambling, Paris has a thriving gambling industry, with poker being by far the most popular. The Aviation club de France is one of the most famous casinos in the city, with poker tables open all day.