x = 1.0 for i in range(1, 201): print i, x x = x * 2**0.03125The orbit is certainly not chaotic, and because the power turns out to be a power of two, we are not subject to catastrophic roundoff error.
x, y = 0, 0 for i in range(1, 501): print i, x, y x, y = x*x - y*y - 1.202370, 2*x*y-0.124405