Re: computing 20! all the way
Re: computing 20! all the way
- Subject: Re: computing 20! all the way
- From: Martin Orpen <email@hidden>
- Date: Fri, 12 Nov 2004 17:48:56 +0000
on 12/11/04 5:17 pm, Brian Johnson wrote:
> Chrus ;-), I know that, but it is a challenge to explain to a horseloving
> 12-yr old why computers 'kind of' break when dealing with BIG numbers
> exactly (a point I usually make to beginning students), and it reminded
> me that I hadn't seen an AS thread on the topic.. I suppose you could say
> I just wanted something to munch on (it being a holiday and all). She did
> it by hand (good practice). I did it by hand (after a fashion). Win-win!
Here are two suggestions that would make this sort of thing appeal to
youngsters:
1. Sensible: Pascal's Triangle
2. Fun: Google -
<http://www.google.com/search?hl=en&q=20!&btnG=Google+Search>
Annoyingly, I can't find any way of forcing it to return a plain old integer
:-(
But it will return factorials up to 6! as Roman numerals:
<http://www.google.com/search?hl=en&lr=&q=6!+in+roman+numerals&btnG=Search
>
(They probably needed to add factorials to the calculator to estimate
personal wealth from share options...)
Regards
--
Martin Orpen
Idea Digital Imaging Ltd -- The Image Specialists
http://www.idea-digital.com
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