[Haskell-cafe] Near Semi Ring problem

[Anthony Cowley]

> On Apr 23, 2022, at 3:25 PM, Henry Laxen <nadine.and.henry at pobox.com> wrote:
> 
> 
> Dear Group,
> 
> Many years ago I read a fascinating article which I can't seem to find
> anymore.  It was about writing down (in english) the numbers from one to
> a billion? and being able to retrieve the nth letter.  ie:
> 
> onetwothreefourfive...ninehundredninetymillion....ninetynineonebillion
> 
> I remember it used near semi rings and automatic differentiation, but no
> matter how I use those words to search (both google and duckduck)  I
> can't find it.  Do any of you have a pointer.  I believe the code was
> written in haskell too.
> 
> Best wishes,
> Henry Laxen

One of my all-time favorites, too!

http://conway.rutgers.edu/~ccshan/wiki/blog/posts/WordNumbers1/

Anthony

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.haskell.org/pipermail/haskell-cafe/attachments/20220423/b2cb2da9/attachment.html>