https://www.geogebra.org/haftendorn
Haftendorn, Buch (Springer):
Kurven erkunden und verstehen
Kap 4.2: S. 91

Ha 2016

p = 1
c: y^(2) = (2 * (p * x))
Q = Point(c)
F: (p / 2, 0)
s = Segment(Q, F)
b = OrthogonalLine(Q, s)
d = Tangent(Q, c)
e = OrthogonalLine(Q, d)
a = 0.2962962962962963
f: y^(2) = (a * (x - 1)^(3))
g = false