which pi formula is given in the decimal module documentation?

[Steven D'Aprano]

Nice work! But I have a question...

On Mon, 21 Dec 2009 20:40:40 +0000, Albert van der Horst wrote:

> def pi4():
>     ' Calculate pi by a 5th order process, with favorable stop
>     criterion' 
>     precision = 10e-20


Why do you say 10e-20 instead of 1e-19?


-- 
Steven