Wolfram Research
Wolfram Math World: Normal Vector
At this site from Math World you can find out various normal vector formulas, including normal vectors of planes, surfaces, tangent vectors, and three dimensional surfaces. This site also explains how the unit normal vector is derived.
CK-12 Foundation
Ck 12: Analysis: Cross Products
[Free Registration/Login may be required to access all resource tools.] In this lessons students will be defining and calculating cross products and normal vectors. Students examine guided notes, review guided practice, watch...
Other
University of Edinburgh: Glossary of Introductory Computer Graphics Terms
This website, from the University of Edinburgh, provides a lengthy glossary of computer graphics terms written by Olin Lathrop, author of "The Way Computer Graphics Work". This site provides simple definitions of basic terms; no graphics...
![Houghton Mifflin: Math Graphs: Unit Tangent and Normal Vector 1 [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Houghton Mifflin: Math Graphs: Unit Tangent and Normal Vector 1 [Pdf] Unknown Type")
Math Graphs
Houghton Mifflin: Math Graphs: Unit Tangent and Normal Vector 1 [Pdf]
Learners sketch the unit tangent and normal vectors at the given points. The exercise consists of an enlarged printable version of a graph available in PDF format.