O = (0, 0)
r = 2 (slider from -5 to 5, step 1)
Q = Point(yAxis)
d = Circle(Q, (2 * r))
F: (((-2) * r), 0)
c = Semicircle(Q, F)
A = Intersect(d, c)
a = Segment(Q, A)
b = Segment(A, F)
P = Midpoint(Q, A)
Ortslinie1 = Locus(P, Q)
P' = Mirror(P, xAxis)
e: ((x + r) * ((x + r)^(2) + y^(2))) = ((2 * r) * y^(2))
f = Segment(F, O)
S = Intersect(a, f)
g = Segment(F, O)
j = Line(Q, A)
l: (r + x)^(3) = ((r - x) * y^(2))