http://en.wikipedia.org/wiki/PID_controller

http://arxiv.org/pdf/1410.8001v1.pdf

Stock Markets Bubbles and Parabolic Slope Theory

http://forumserver.twoplustwo.com/15/poker-theory/mathematics-poker-chapter-14-2-maximazing-bet-sizing-calculation-1429179/

http://mathaholic.com/docs/bart_math_v2.avi

Since you know Calculus, you recognize all the prerequisite “basic Math” mentioned in video #2.  Full playlist here.

Full article here