y(u)

u = 0 (slider from 0 to 5, step 0.1)
a = Integral(cos(t^(2)), 0, u)
b = Integral(sin(t^(2)), 0, u)
P: (u, a, b)
X: (u, a)
Y: (u, b)
H: (a, (-u))
Ortslinie2 = Locus(P, u)
Q: (u, a, 0)
Ortslinie3 = Locus(Q, u)
R: (u, 1.5, b)
Ortslinie4 = Locus(R, u)
S: (0, a, b)
Ortslinie5 = Locus(S, u)
f = Segment((0, sqrt(pi / 8), 0), (5, sqrt(pi / 8), 0))
g = Segment((0, sqrt(pi / 8), sqrt(pi / 8)), (5, sqrt(pi / 8), sqrt(pi / 8)))
h = Segment((0, sqrt(pi / 8), 0), (0, sqrt(pi / 8), sqrt(pi / 8)))
i = Segment((5, sqrt(pi / 8), 0), (5, sqrt(pi / 8), sqrt(pi / 8)))
j = Segment((0, 1.5, 0), (5, 1.5, 0))
k = Segment((5, 1.5, 0), (5, 1.5, sqrt(pi / 8)))
l = Segment((0, 1.5, sqrt(pi / 8)), (5, 1.5, sqrt(pi / 8)))
m = Segment((5, 0, 0), (5, 1.5, 0))
n = Segment((0, 1.5, 0), (0, 1.5, sqrt(pi / 8)))
p = Segment((0, sqrt(pi / 8), sqrt(pi / 8)), (0, 1.5, sqrt(pi / 8)))
q = Segment((5, sqrt(pi / 8), sqrt(pi / 8)), (5, 1.5, sqrt(pi / 8)))