[racket] number formatting

From: Neil Van Dyke (neil at neilvandyke.org)
Date: Wed Aug 24 17:26:27 EDT 2011

How to format numbers prettily, such as for financial work, has come up 
a few times before.

I finally released a number formatting library that I've been using for 
many years.  If you use it, be sure to pay attention to the warnings in 
the documentation.


Posted on the users mailing list.