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Re: AO-10 Keps
- Subject: Re: [amsat-bb] AO-10 Keps
- From: Krin135@xxxxxxx
- Date: Mon, 16 Nov 1998 06:48:50 EST
In a message dated 15-Nov-1998 23:34:45 Central Standard Time,
bobbiej@vnet.net writes:
>
> > >>Algebra 101, here... Anything to the power 0, is equal to 1. Any proper
> >>calculator, or math professor, or anyone else that's got a math brain
> >>will inform you of that fact.
> >
> >True, but you're missing the point.
> >
> >Elementary arithmetic, here ... 0.0 times anything is still zero.
> >
> >Scientific notation like "X.YYY eZZ" means the value X.YYY
> >multiplied by the ZZ power of ten. If X.YYY is zero, then it
> >doesn't matter what power of ten you multiply it by; ZZ
> >doesn't matter. If ZZ is 0, then (as you say) the power of ten
> >part is equal to 1. No matter, 0.0 times 1 is still zero.
> >
> >The point is that "0.0 e0" is a perfectly valid way to express
> >a value of zero. Some programs that read Keplerian elements
> >apparently get this wrong. That's a bug in the program.
> >
> >73 -Paul
> >kb5mu@amsat.org
>
> Good work Paul. Glad that you pointed out the problem with the software
bug.
> Just think what the same type programming will accomplish after Dec 31,
> 1999.
>
> Bobbie
>
> ----
Incidentally, the scientific calculator in Win 95 does return "0" as the
answer to 0.0 e000, although in MS Works 4.5, it does return "err."
ck
--
Charles S. Krin, DO FAAFP
Member, PGBFH
KC5EVN
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