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IMHO the spreadsheet is one of the most powerful (and commonly available) 
tools that a scientist, engineer, navigator, etc., has.  Even the earliest 
software met instant success with a very wide user base.  I fondly recall using 
the early software releases (Visicalc and Lotus 123, for example)!  There was 
simply nothing to compare spreadsheet techniques with and the possibilites 
seemed endless.

Frank J.
Rochester, NY

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From:               
To:                 
Subject:            [NavList 7001] Re: Constructing A Logarithm Table
Date sent:          Sun, 11 Jan 2009 19:27:44 -0800
Priority:           normal
Send reply to:      NavList@fer3.com

> 
> Hewitt, you wrote:
> "(In high school we use to call them 'slime' and 'co-slime')."
> 
> LOL. I had the happy advantage of learning celestial navigation, and some of 
the associated trig, a year before studying the subject in school, so the 
"slimeys" were old friends to me.
> 
> And:
> "Anyway, I've never had occasion to grapple with a spread-sheet."
> 
> Oh, what a shame! They're great fun for this sort of thing. I write quite a 
lot of stand-alone software, but when I want to work out celestial navigation 
calculations, I almost always start with a spreadsheet. If you need a table 
of haversines for every tenth of a degree, you can assemble one in about.. 
hmmm... I'll time myself... OK. Done. It took me five minutes and that 
included some time making a nice graph (I got distracted). Do you know if you 
have a spreadsheet program pre-installed on your computer? Are you on 
Windows? Mac? 
> 
> And you wrote:
> "Come to think of it, there's a nice little book that has the S/CoS
> formulas for direct solution of the undivided triangle for Hc and Z -
> backup is the NAO reduction table with a more lucid explanation.  Also
> has a long-term almanac of Aries and Sun; pub. by Starpath School of
> Navigation."
> 
> Yes, there are quite a few nice books out there that spell it all out. Some 
even have *your* name on the cover. :-)
> 
> -FER
> 
> 
> 
> 
> 
> > 



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