The Joy of Mathematics

Title: Butterfly
Description: basically, r = versin(5q) with lobe sizes adjusted
Equation: z = ((4y⁵ - 4y³x² + 8yx⁴) / r⁵) - (3y³ - 3yx²)/r³ - r
Drawing Limits: (-2, -2) - (2, 2)
Min z: -5.11643, Max z: 2.86601