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I, too, made a short program for my TI-82, but it's a bit like yours: only
usable by me... And I still need an almanach and some "pre-calculations"
(position of sun, correction of height, etc) before using it. I made it
just to avoid typing long expressions (source of fatal syntax errors) each
time I want to compute a position.
Would you mind to send a quick flowchart of your program so that I can
compare, and may be upgrade mine?


--- Dan Allen  escribi�: > In the 1970s people used
to wear t-shirts that said:
>
>         ENTER > EQUALS
>
> RPN, the language of the HP calculators, is an acquired taste, but once
> mastered, one will often choose it over an algebraic.  TI makes
> algebraic
> calculators,
> which are fine, (I have several), but I prefer the HP (I have more).
>
> HP used to publish some excellent Navigation Pacs of software for their
> calculators.  They got out of that business (sadly) and the Starpath set
> of
> programs
> for TI have recently put HP to shame.  What I have done is write my own
> HP-48 software to figure out the position of the Sun and make quick work
> of
> sextant math, but my software is currently only usable by me.  I should
> polish it off and post it, but who has the time?
>
> The new HP-49G symbolic machine is impressive, but is not great for
> numeric
> work.
> I highly recommend the HP-48G+ as an excellent navigation machine.  I
> have
> several.
>
> Dan
>


=====
Guillaume Lancelin
c/ Granate 8, 1�C
41009 Sevilla
Spain
(+00) 34 626 22 56 29


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