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From: grue@cs.uq.oz.au (Frobozz)
Newsgroups: comp.sys.handhelds
Subject: Re: Probability programs for the 48?
Message-ID: <1421@uqcspe.cs.uq.oz.au>
Date: 16 May 91 03:03:30 GMT
References: <1991May15.131342.23406@javelin.sim.es.com> <1991May16.004901.21815@watserv1.waterloo.edu>
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Reply-To: grue@cs.uq.oz.au
Lines: 48

In <1991May16.004901.21815@watserv1.waterloo.edu> mathsoc@watserv1.waterloo.edu (Math Society) writes:

>In article <1991May15.131342.23406@javelin.sim.es.com> pashdown@javelin.sim.es.com (Pete Ashdown) writes:
>>I am slogging through a probability class right now.  So far, my 48 hasn't
>>been of much use.  I did get the programs for the 28 off of Wayne's server,
>>but documentation on how to use them is nonexistant.  Has anyone found their
>>48 to be useful in probability?  Anyone got any tips for this class from Hell?

>I'm all ears.  I'm also in a STATs class from hell. Some info on this
>would certainly be appreciated for the 48sx.


What is this talk about stats from hell?  Stats is a really exciting subject
area, much more interesting than computer sciencec :-)

What exactly are you doing with probability?  If you are calculating
lots of integrals then the 48 will be heaps of use, after all probability
theory is really a form of measure theory.  If you are trying to solve
problems like: 'I have a bag with 37456 red balls and 9546 blue balls, how
many do I have to draw to have a .5 probability of getting a blue one?'
then the 48 isn't really much better than any other calculator (that
would be a probability question from hell ;-).  The 48 does have those really
useful functions that gives you percentage points from some of the standard
distributions and they can be a real help.  [ I wish some of the inverses were
also available without using solve ].

The 48 has some very useful stats functions, but I wouldn't call it a
good statistical calculator.  It has the best stats functions that I've
seen on a calculator.  I want to write a suite of decent statistics
routines for it, but am having trouble finding the time :-(  Does
anyone know if there are statistics applications coming out for the 48?
It would make a really nice tool for some exploritary data analysis style
stuff.





        						Pauli
seeya

Paul Dale               | Internet/CSnet:            grue@cs.uq.oz.au
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