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From: steele@EE.ECN.PURDUE.EDU (Richard A. Steele)
Newsgroups: comp.sys.handhelds
Subject: Re: HP-48 Comparison Test
Keywords: HP-48SX, calculators, portable computers, handhelds, HP
Message-ID: <9003131630.AA07011@en.ecn.purdue.edu>
Date: 13 Mar 90 16:30:09 GMT
References: <39230@apple.Apple.COM> <326@cbnewsb.ATT.COM> <1172@kunivv1.sci.kun.nl>
Sender: daemon@ucbvax.BERKELEY.EDU
Reply-To: steele@en.ecn.purdue.edu (Richard A. Steele)
Distribution: comp.sys.handhelds,comp.sys.hp
Organization: Purdue University
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In article <1172@kunivv1.sci.kun.nl> ge@kunivv1.sci.kun.nl (Ge' Weijers) writes:
>neal@druhi.ATT.COM (Neal D. McBurnett) writes:
>
>>As a sidelight, the calculator says that the year 4000 will be a leap year,
>>but I think that it should not be (assuming that our civilization still
>>exists and hasn't yet adopted a more sane calendar, changed the orbit
>>of the earth, etc.).
>
>As far as I know 4000 is a leap year the number being divisible by 4.

The year 4000 _is_ a leap year, but the rule for figuring a leap year is
a little more complicated than simply dividing by four.  The Gregorian
calendar has a leap year every fourth year (evenly divisible by 4)
except for century years (evenly divisible by 100) not divisible by 400.
	
Whew!  In other words, we have a leap year every four years, skipping
the even centuries; but, to make life more interesting, every fourth
century (i.e. those divisible by 400) _are_ leap years.  So, the year
4000 is a leap year.

Gee, does the HP48SX allow for leap seconds?  :-)

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Disclaimer:  I'm just an undergrad, so I really don't know what I'm talking
	     about...