Spirolateral

A figure formed by taking a series of steps of length 1, 2, ..., , with an angle turn after each step. Thesymbol for a spirolateral is , where the s indicate that turns are in the direction for these steps.

References

Gardner, M. ``Worm Paths.'' Ch. 17 in Knotted Doughnuts and Other Mathematical Entertainments. New York: W. H. Freeman, 1986.

Odds, F. C. ``Spirolaterals.'' Math. Teacher 66, 121-124, 1973.

• Aggregate
• AGM
• Agnesi's Witch
• Agnésienne
• Agonic Lines
• Ahlfors-Bers Theorem
• A-Integrable
• Airy Differential Equation
• Airy-Fock Functions
• Airy Functions
• Airy Projection
• Aitken Interpolation
• Aitken's Delta Squared Process
• Ajima-Malfatti Points
• Albanese Variety
• Albers Conic Projection
• Albers Equal-Area Conic Projection
• Alcuin's Sequence
• Aleksandrov-Cech Cohomology
• Aleksandrov's Uniqueness Theorem
• Aleph
• Aleph-0
• Aleph-1
• Alethic
• Alexander-Conway Polynomial