The Definition of the Derivative

Initializing live version
Download to Desktop

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

The gray secant line joins the fixed red point on the graph of to a movable black point on the curve. Drag the black point along the curve. The slopes of the secant lines approximate the slope of the tangent line, which is the derivative of the function at .

Contributed by: Jim Swift (March 2011)
Open content licensed under CC BY-NC-SA




Feedback (field required)
Email (field required) Name
Occupation Organization
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.