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Spiral

A curve on a plane that turns endlessly outward or inward (or both). Spirals usually have polar equations. A few of the many types of spirals are pictured below.

 

 

See also

Golden spiral, polar curves

 


  this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
Copyright © 2000 by Bruce Simmons
All rights reserved
NCTM Web Bytes December 2004 Web Bytes March 2005 Web Bytes