a = 1 (slider from 0.5 to 2, step 0.1)
m = 2 (slider from 2 to 10, step 1)
c = CurveCartesian(m * a * cos(t) - a * cos(m * t), m * a * sin(t) - a * sin(m * t), t, 0.0, 6.29)
Text1: "Kurve: " + c