I'm presuming that something like this exists as an applet on the web, although I've never looked. I wrote this a number of years ago. I like the idea of something that students can poke around inside of and maybe learn something about how it works.
The idea is to illustrate the central limit theorem with a wide variety of initial distributions.
File:
centralLimitTheorem.xls - requires Microsoft Excel and enable macros.
Screenshot:
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