""Me, Myself and Math" is a six-part series that looks at us through the lens of math. Steven Strogatz is the Schurman Professor of applied mathematics at Cornell University. A frequent guest on WNYC's "Radiolab," he is the author, most recently, of "The Joy of x," which grew out of his previous Opinionator series "The Elements of Math"."

"Free tutorials using java applets to explore, interactively, important topics in precalculus such as quadratic, rational, exponential, logarithmic, trigonometric, polynomial, absolute value functions and their graphs. Equations of lines, circles, ellipses, hyperbolas and parabolas are also explored interactively. Graph shifting, scaling and reflection are also included. The definition and properties of inverse functions are thoroughly investigated. A graphical approach to 2 by 2 systems of equations is included. "

"Short lecture by Kurt Vonnegut on the 'simple shapes of stories.'"