d3.js - Manipulating documents based on data

I'd really like to sneak some math into my posts at some and I've been looking for some cool ways to showcase some data and start number crunching. Today I found d3.js. d3 stands for Data-Driven Documents and it is a small, free javascript library for manipulating documents based on data according to the site.

It allows you to display data using SVG (Scalable Vector Graphics) and then apply transformations to the document based on your data. I'm going to experiment a bit more with d3.js and see what I can cook up.