Ha 2016

d = 0.51
a = -0.15
A = (-4.610526315789478, 4.88)
B = (-4.731100478468905, -3.96)
r(x) = ℯ^((a * (x + d)))
anf = 7
ba = 13.13
ab = -0.14
db = 0.51
be = -7
rr(x) = exp((ab * (x + db)))
e: 10
b = CurveCartesian((r(t) * cos(t)), (r(t) * sin(t)), t, (-anf), e)
c = CurveCartesian((rr(t) * cos(t)), (rr(t) * sin(t)), t, (-ba), be)