Has anyone seen this web site?

About this time last semester I asked here if anyone knew of a good web site comparing discrete and continuous probabilities. In an effort to learn to make MathML, I've created one. If you've seen a better version of this page (or if you know why it shouldn't exist) please let me know!

http://webhost.bridgew.edu/hburgiel/MATH318/probdist.html

(The limits on the integrals may well be screwed up for your browser. I did mention that I'm still learning about MathML, right?)

EDIT: I *did* find a page like this last year:

http://www.itl.nist.gov/div898/handbook/eda/section3/eda361.htm

Guess I'm on the right track.