[AT] Supposedly why our old tractors are not metric and a fairly simple tutorial

[Roger Moffat]

> On Feb 25, 2020, at 9:58 AM, Stephen Offiler <soffiler at gmail.com> wrote:
> 
> Just a matter of significant digits.  22/7 is about 0.04% higher than the "true" value of pi.  That's pretty darn good for many practical purposes, but I wouldn't want to be calculating a moon launch with that kind of error.

An even more accurate, easy to remember value for pi is 355/113 (or 113 divided into 355)

22/7 = 3.14285714
pi = 3.1415926535
355/113 = 3.14159292

Cheers

Roger