From: prb@access.digex.com (Pat)
Subject: Re: Sunrise/ sunset times
Organization: Express Access Online Communications USA
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NNTP-Posting-Host: access.digex.net

In article <1r6f3a$2ai@news.umbc.edu> rouben@math9.math.umbc.edu (Rouben Rostamian) writes:
>how the length of the daylight varies with the time of the year.
>Experiment with various choices of latitudes and tilt angles.
>Compare the behavior of the function at locations above and below
>the arctic circle.



If you want to have some fun.

Plug the basic formulas  into Lotus.

Use the spreadsheet auto re-calc,  and graphing functions
to produce  bar graphs  based on latitude,  tilt  and hours of day light avg.


pat

