Contact Donny

How may I help?
Need a help on a math question? Would like to correct me in some of my lectures? Wanted to know what is the first derivative? Any comments on the website?
In this journey is learning mathematics, I do believe it is best that we help each other
advance our knowledge in the subject. Mathematics research is usually done as a dialogue between fellow mathematicians because from this dialogue, ideas are shared, mistakes are corrected, and discoveries are made. So, if there's anything at all you would like to share with me, do drop me an email.
My email:
donny.lee@duke.edu
My Youtube Channel:
http://www.youtube.com/profile?user=donylee
My Band at Myspace:
http://www.myspace.com/radicalcontext
My Friendster page:
http://www.friendster.com/donny3
I again extent my thanks for visiting my page. In case, you didn't know, I also the usual guy who has his own share
problems regarding relationships, religion, money, and career plans. Oh yeah, I also am a season musician playing the bass. So just drop a casual mail if you want to talk about those stuff.

Donny just giving his friend Jimmy a lesson on Calculus
- Donny, your kind lecturer