Today 14th March, sometimes written 3.14, is pi day (π). The number π is a mathematical constant, and is calculated from the ratio of a circle’s circumference to it’s diameter.

# Category: Mathematics

## Happy Pi Day!

Today, 14th March (sometimes written 3.14) is pi day (π). It’s extra special this year because it’s 2015 and the date can be written as 3.14.15 which is the first five digits of π. The number π is a mathematical constant, and is calculated from the ratio of a circle’s circumference to it’s diameter. For more […]

## Happy pi day!

Today, 14th March (sometimes written 3.14) is pi day (π). The number π is a mathematical constant, and is calculated from the ratio of a circle’s circumference to it’s diameter. For more information about π see the Wikipedia article here. To help celebrate π day and for more fascinating facts visit the website www.piday.org π is an irrational number. […]