test

O = Intersect(xAxis, yAxis)
L = Point(yAxis)
L1: (x(L), -y(L))
u = Vector(O, L)
v = Vector(O, L1)
F = Point(xAxis)
a = Mirror(xAxis, yAxis)
F' = Mirror(F, yAxis)
A = Point(a)
b = OrthogonalLine(A, a)
B = Point(b)
c = OrthogonalLine(B, b)
C = Intersect(c, yAxis)
w = Vector(A, B)
d = Line(B, O)
e = Line(F, B)
D = Intersect(e, yAxis)
f = OrthogonalLine(D, yAxis)
B' = Intersect(d, f)
g = Line(C, B')
h = Ray(C, B)
i = Ray(C, F')
k = Ray(D, B')
l = Line(B, O)
m = OrthogonalLine(B', a)
A' = Intersect(a, m)
z = Vector(A', B')
j = Ray(D, B)
n = Ray(D, B')
B'' = Mirror(B', yAxis)
p = Ray(D, B'')
q = Ray(C, B')
r = Vector(A', B')
texte2: "$ \bar{OA'}  = $" + (x(A')) + " m"
A1: x(A)
B1: x(A')
C1: B1 / A1
A3: y(B)
B3: y(B')
C3: B3 / A3
texte1: " \bar{OA}  = " + (x(A)) + "m"
texte3: " \bar{AB} = " + (y(B)) + "m"
texte4: " \bar{A'B'} = " + (y(B')) + "m"
texte5: "\gamma = \frac{ " + (y(B')) + "}{" + (y(B)) + "}=" + (y(B') / y(B))