So, for any circle, dividing its circumference by its diameter will give you the exact same number: 3.14159…or pi. Pi is also an irrational number, which means that its value cannot be expressed exactly as a simple fraction. As a result, pi is an infinite decimal. For most purposes, pi can be approximated as 3.14159.
Why was 3.14 called pi?
The reasonm it is called pi is because the symbol used by mathematicians to represent the ratio of a circle's circumference to its diameter is the lowercase Greek letter π, sometimes spelled out as pi, and derived from the first letter of the Greek word perimetros, meaning circumference.
What are the digits of pi?
The first 10 and 50 digits of Pi: 3.14159265 35897932384626433832795028841971693993751. More digits: Scroll down to see the first 10,000 digits of Pi at the bottom of this page, or grab even more using the links below. Files containing digits: 10 50 100 1000 10000 100000.