Spiric Section
A History of Mathematics in South Africa: Modern Milestones
Plane Geometry - Bruce E. Shapiro
Frozen Figure Eight
Eight Curve -- from Wolfram MathWorld
Curve [AE]
Figure Eight Curve - MacTutor History of Mathematics
Eight Curve (Leminiscate of Gerono) - Statistics How To
Lemniscate -- from Wolfram MathWorld
What is a mathematician doing…in a chemistry class?
Curve [AE]