🌍 The world of π
Here is the 1. decimal of π:
1
The number π (/paɪ/; spelled out as "pi") is a
mathematical constant, approximately equal to 3.14159. It is defined in
Euclidean geometry as the ratio of a circle's circumference to its
diameter, and also has various equivalent definitions.
The
number appears in many formulas in all areas of mathematics and physics.
The earliest known use of the Greek letter π to represent the ratio of a
circle's circumference to its diameter was by Welsh mathematician
William Jones in 1706. It is also referred to as Archimedes's
constant.
Created by Katharina Weberberger