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

-----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 > > >---- >Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA. >To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@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 ---- Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA. To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org

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