Re: [Nml] Calculators for Navigation
Subject: Re: [Nml] Calculators for Navigation
From: Monte Lee Mechler (mme765@XXX.XXX)
Date: Sun Mar 14 1999 - 08:43:23 EST
Does anyone still calcualte thier sites - star and sun via normal math w/
out the programmagle ones. I use the Starpath forms to do all my
reductions. It is completely by hand.........but, I know what is going on.
Is it better to use the programmables instead?
LTJG Monte Mechler, CEC, USN
----------
> From: Daniel K. Allen (Visual C++) <danallen@XXX.XXX>
> To: 'Mike Wescott' <mike.wescott@XXX.XXX>; Titanium Tom
<titom@XXX.XXX>
> Cc: Dan Hogan <dhhogan@XXX.XXX
> Subject: [Nml] Calculators for Navigation
> Date: Friday, March 12, 1999 12:21 PM
>
> Personally I prefer to spend my time doing lots of programming on my
HP-48GX
> to get sight reduction to the fewest keystrokes! The HP 48 uses very
little
> power and has great built-in functionality. It has a strange programming
> language called RPL (Reverse Polish Lisp) but it is quite powerful.
Sadly
> HP is doing very little with calculators any more.
>
> My best nav programs are written in the C programming language and run on
my
> laptops, although I am about to port them to a small HP620LX Windows CE
> machine... which is what HP is putting its efforts to now. At least
these
> machines can be programmed in C -- a big step forward -- but they do not
> support much programming on the machine: you need to write the programs
on a
> desktop machine running Windows 98 or NT.
>
> I've begun experimenting with some nav software written as an Excel
> spreadsheet, and it actually works quite well. These Handheld PCs that
run
> Windows CE (like the HP620LX and their newer Jornada) have a Pocket Excel
in
> ROM and one CAN program on the handheld machine in Excel simply by
writing
> formulas. (No macros or VBA yet though.)
>
> One of the great advantages of using Excel for numerical calculations is
> that you can see as much of your intermediate results as you want along
the
> way. You can change just one variable and see how it affects the answer,
> etc. Writing nav software using Excel is actually pretty promising!
>
> Dan
> danallen@XXX.XXX
>
> -----Original Message-----
> From: Mike Wescott [mailto:mike.wescott@XXX.XXX]
> Sent: Friday, March 12, 1999 6:18 AM
> To: Titanium Tom
> Cc: Dan Hogan; navigation@XXX.XXX
> Subject: Re: [Nml] Silicon Sea II: Show of Hands
>
>
>
> > What type of calculator is the best for working the calculations,
should
> it be
> > programable?
>
> Personally, I prefer minimal computer help for doing the Silicon Sea
> problems
> (and maximal help on the open sea). I use a simple calculator and
plotting
> sheets. If I weren't too lazy to use an Ageton method (or one of it's
> relatives,
> I would do without the calculator.
>
>
> --
> -Mike Wescott
> mike.wescott@XXX.XXX
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