The Equiangular Spiral

Lang Moore and David Smith, Duke University
Bill Mueller, The MathWorks

with the assistance of
Betty Mayfield, Hood College
Jer-Chin Chuang, Furman University
John Michel, Marietta College

Purposes: To experiment with a beautiful example of geometry in nature and to study an important family of polar curves Prerequisites: The helper application tutorial for your computer algebra system An understanding of semilog graphing An understanding of polar coordinates Equipment: You will need a ruler (metric or English units), and you may find a printer useful.