a = 2 (slider from -5 to 5, step 0.1)
b = 3 (slider from -5 to 5, step 0.1)
zaehlerpolynom(x) = ((x - a) * (x - b))
c = 1 (slider from -5 to 5, step 0.1)
d = 5 (slider from -5 to 5, step 0.1)
nennerpolynom(x) = ((x - c) * (x - d))
f(x) = zaehlerpolynom(x) / nennerpolynom(x)
A, B = Intersect(zaehlerpolynom, xAxis)
C, D = Intersect(nennerpolynom, xAxis)
e: x = x(A)
g: x = x(B)
h: x = x(C)
i: x = x(D)
Text1: "f(x) =\frac{ " + (LaTeX[zaehlerpolynom]) + "}{ " + (LaTeX[nennerpolynom]) + "}"