Khan Academy on a Stick

Formal and alternate form of the derivative

Introduction to derivatives

Derivative as slope of a tangent line
Tangent slope as limiting value of secant slope example 1
Tangent slope as limiting value of secant slope example 2
Tangent slope as limiting value of secant slope example 3
Calculating slope of tangent line using derivative definition
The derivative of f(x)=x^2 for any x
Formal and alternate form of the derivative
Formal and alternate form of the derivative for ln x
Formal and alternate form of the derivative example 1
Calculus: Derivatives 1
Calculus: Derivatives 2

If the above player doesn't work, try this direct link.

All Khan Academy content is available for free at www.khanacademy.org.
This collection was created November 2014.