# Re: AO-10 Keps

• Subject: Re: [amsat-bb] AO-10 Keps
• From: "Bobbie Johnson" <bobbiej@xxxxxxxx>
• Date: Sun, 15 Nov 1998 23:43:35 -0500

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-----Original Message-----
From: Paul Williamson <kb5mu@AMSAT.Org>
To: B Keyport <poohbear@poohbear.net>
Cc: amsat-bb@amsat.org <amsat-bb@AMSAT.Org>
Date: Sunday, November 15, 1998 7:13 PM
Subject: Re: [amsat-bb] AO-10 Keps

> >>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
>
>
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>

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

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