[seqfan] Re: How long is a foot?

Charles Greathouse charles.greathouse at case.edu
Thu Apr 11 21:58:51 CEST 2013


One inch is defined as *exactly* 25.4 mm, so c = 18737028625/100584
miles/second.

Charles Greathouse
Analyst/Programmer
Case Western Reserve University


On Thu, Apr 11, 2013 at 3:54 PM, Neil Sloane <njasloane at gmail.com> wrote:

> A3678 is the speed of light, which is exactly 299792458 meters/sec, by
> definition.
>
> The speed of light in miles per hour, miles/minute, miles/sec seem to be
> missing from the OEIS.
>
> To do the conversion, I need to know how to convert from meters to feet (to
> 200 decimal places, say).
>
> Hence the question: how long is a foot in meters (exactly)?
> What is the definition of a foot?
>
> --
> Dear Friends, I have now retired from AT&T. New coordinates:
>
> Neil J. A. Sloane, President, OEIS Foundation
> 11 South Adelaide Avenue, Highland Park, NJ 08904, USA
> Phone: 732 828 6098; home page: http://NeilSloane.com
> Email: njasloane at gmail.com
>
> _______________________________________________
>
> Seqfan Mailing list - http://list.seqfan.eu/
>


More information about the SeqFan mailing list