NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: The Spirit of this List
From: Bill Noyce
Date: 2003 Oct 1, 16:02 -0400
From: Bill Noyce
Date: 2003 Oct 1, 16:02 -0400
Cleaning out old mail, ran across this from Dan Allen just over a year ago:
> My own
> kit of equipment has a very reliable calculator (an HP-48G+) but also
> has the most important formulas printed out and a slide rule in case I
> need to do it by hand. This gives me both self-reliance and ease of
> use with a non-electronic backup.
>
> Dan
I'm curious, Dan, what you use the slide rule for? I don't think
it's useful for sight reduction via Law of Cosines or similar
formulas, because you can't get enough precision. It *would* be
useful to speed up interpolation in tables, or for time & distance
or wind/drift/course problems.
-- Bill
