From the W3C Weekly News - 16 November 2003 e-mailing:

MathML Working Group Notes Published

The Math Working Group has released "Units in MathML," "Structured

Types in MathML 2.0" and "Bound Variables in MathML" as Working Group

Notes. MathML is an XML application that allows mathematical notation

and content to be served, received and processed on the Web. Visit the

Math home page.

http://www.w3.org/TR/2003/NOTE-mathml-units-20031110/

http://www.w3.org/TR/2003/NOTE-mathml-types-20031110/

http://www.w3.org/TR/2003/NOTE-mathml-bvar-20031110/

http://www.w3.org/Math/

your links are malformed…..

get rid of the reference to hotmail…

Thanks.