erreur max (non dynamique) en pourcents

Go!

dt = 0.05 (slider from 0 to 2, step 0.001)
f(x) = If[0 ≤ x ≤ 200, (80 * exp(((-0.04) * x))) + 20]
er = 0.07181651678103113 (slider from -5 to 5, step 0.001)
ChampTexte1 = Textfield(er)