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From: marcum@rhino.UUCP (Alan M. Marcum)
Newsgroups: net.aviation
Subject: Re: aviation calculators
Message-ID: <251@rhino.UUCP>
Date: Mon, 3-Dec-84 15:54:18 EST
Article-I.D.: rhino.251
Posted: Mon Dec  3 15:54:18 1984
Date-Received: Wed, 5-Dec-84 00:29:14 EST
References: 
Reply-To: marcum@rhino.UUCP (Alan M. Marcum)
Distribution: net
Organization: Fortune Customer Support
Lines: 16

I've been flying for a couple of years (~330 hours now).  I
learned to use a slipstick during primary training, but do most
of my pre- and in-flight calculations with my HP-67, using some
programs I wrote.  (I never did buy the slipstick!)  My programs
don't have everything the specialized calculators provide, but I
can handle 'course + wind => heading' and density and pressure
altitude conversions.  The ETA, fuel consumption, distances, etc.
I compute using the normal four-functions.

I do miss not having a great-circle computation facility, but I
just haven't gotten around to building that program yet.

And, yes, I carry a spare battery with me when I fly.
-- 
Alan M. Marcum		Fortune Systems, Redwood City, California
...!{ihnp4, ucbvax!amd, hpda, sri-unix, harpo}!fortune!rhino!marcum