[amsat-bb] Re: Was: Arecibo, now confusing math
i8cvs
domenico.i8cvs at tin.it
Fri Apr 23 09:38:23 PDT 2010
----- Original Message -----
From: <tosca005 at umn.edu>
To: "Nigel Gunn G8IFF/W8IFF" <nigel at ngunn.net>
Cc: "AMSAT-BB" <amsat-bb at amsat.org>
Sent: Friday, April 23, 2010 3:34 PM
Subject: [amsat-bb] Re: Was: Arecibo, now confusing math
> On Apr 23 2010, Nigel Gunn G8IFF/W8IFF wrote:
>
> >Perhaps we should stick to the unambiguous exponential/scientific
notation.
> >Today's date is 2.01E3:4E0:2.3E1
> >
> >On 23-Apr-10 11:50, Andrew Glasbrenner wrote:
> >>
> >> If you really want to bang your head against the wall at how man can't
> >> agree on anything, take a look at the concept of long and short scales:
>
> Unambiguous?
>
> In many parts of the world, today's date would not be
> 2.01E3/4E0/2.3E1 but rather would be
> 4E0/2.3E1/2.01E3.2 or
> 2.3E1/4E0/2.01E3.2 or
> 2.01E3/2.3E1/4E0
>
> Of course, April 23, 2010 seems clearer than either:
> 2010/4/23 or
> 2010/23/4 or
> 23/4/2010 or
> 4/23/2010 ...
>
> (IMHO, 2010/23/04 makes most sense, since simple alphabetic sorting of
such
> dates also comes out in chronological order, with the most significant
> digits referring to the biggest chunks - years - and the leas significant
> digits referring to the smallest chunks - days - but the leading zeros are
> also critical because you don't want October [10] sorting before March [3]
> and so it goes!)
>
> Face it, the human race can't agree on anything, except to disagree.
> 73 de W0JT
Hi ,W0JT
In Italy we use 23/4/2010 or
2.3E1/4E0/2.01E3 or
2.3 x 10^1 / 4 x 10^0 / 2.01 x 10^3
Many years ago AMSAT uses another day numbar and for the AMSAT calendar
the AMSAT day 0 = 1 January 1978
73" de
i8CVS Domenico
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