f(x) = x * (x - 2.0)^(2.0)
A = Point(f)
B = Point(f)
g = Function(f(x), x(A), x(B))
L = Integral(sqrt(1.0 + f'(x)^(2.0)), x(A), x(B))
Text1: "Bogenlänge: L(" + (x(A)) + ", " + (x(B)) + ") = " + L + " E"