My favourite imaginary number :D

## pi to 40 digits

For the vast amount of calculations using pi, we need only the first 40 digits - using just these first 40 would allow us to calculate the circumference of the universe (given it’s diameter) correct to the width of a single hydrogen atom.

My goal is to memorise the first 40 digits, so far I am at 24…

3.14159265358979323846264