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Also called a parabolic spiral, it is a type of Archimedean Spiral. A spiral is defined as "a plane curve which runs continuously round and round, a fixed point, called the center, with constantly increasing radius vector, so that the latter is never normal to the curve; also, a part of such a curve in the course of which the radius from the center describes 360 degrees." —Whitney, 1889

Fermat's Spiral

Also called a parabolic spiral, it is a type of Archimedean Spiral. A spiral is defined as "a plane…

Illustration showing an Archimedean Spiral.

Archimedean Spiral

Illustration showing an Archimedean Spiral.

Illustration of a spiral named after the 3rd century BC Greek mathematician Archimedes.

Archimedean Spiral

Illustration of a spiral named after the 3rd century BC Greek mathematician Archimedes.