Interesting Links for 19-03-2016

[andrewducker]

Edinburgh to London train journey time to be cut to four hours (tags: transport trains edinburgh london uk ) Toxic relationship habits most people think are normal (tags: relationships ) Healthy relationship habits most people think are toxic (tags: relationships ) Scottish bus firms in smart ticketing pledge (tags: transport buses scotland )

Comments

How Many Decimals of Pi Does NASA Really Need?

[spacelem]

22/7 is good enough for me.

RE: How Many Decimals of Pi Does NASA Really Need?

[drdoug]

Hell, 3 works surprisingly well in many contexts.

Re: How Many Decimals of Pi Does NASA Really Need?

[spacelem]

And if you're only going to use 3, 22/7 is the best representation of Pi using only 3 digits.

RE: Re: How Many Decimals of Pi Does NASA Really Need?

[drdoug]

Yes

Re: Re: How Many Decimals of Pi Does NASA Really Need?

[andrewducker]

I am always amazed when people take things that over the top seriously.

But I suspect that sometimes I'm just a living example of Poe's Law.

RE: Re: How Many Decimals of Pi Does NASA Really Need?

[spacelem]

Good to know that memorising pi finally came in handy for once!

I'm an epidemiological modeller, and I've almost never needed to actually use pi (except maybe when tutoring 1st year maths students), and I actually used pi as a variable in my thesis as a quiet protest for using tau :D