Whirl

Whirls are figures constructed by nesting a sequence of polygons (each having the same number of sides), each slightlysmaller and rotated relative to the previous one.

References

Lauwerier, H. Fractals: Endlessly Repeated Geometric Figures. Princeton, NJ: Princeton University Press, p. 66, 1991.

Pappas, T. ``Spider & Spirals.'' The Joy of Mathematics. San Carlos, CA: Wide World Publ./Tetra, p. 228, 1989.

Weisstein, E. W. ``Fractals.'' Mathematica notebook Fractal.m.

• Summand
• Summatory Function
• Sum-Product Number
• Sum Rule
• Sup
• Characteristic (Partial Differential Equation)
• Characteristic Polynomial
• Characteristic (Real Number)
• Character (Multiplicative)
• Character (Number Theory)
• Character Table
• Charlier's Check
• Chasles-Cayley-Brill Formula
• Chasles's Contact Theorem
• Chasles's Polars Theorem
• Chasles's Theorem
• Chebyshev Approximation Formula
• Chebyshev Constants
• Chebyshev Deviation
• Chebyshev Differential Equation
• Chebyshev Function
• Chebyshev-Gauss Quadrature
• Chebyshev Inequality
• Chebyshev Integral
• Chebyshev Integral Inequality