f1 := 1.002*S +0.004002*S^2 +3e-06*S^3;

NiM+SSNmMUc2IiwoSSJTR0YlJCIlLTUhIiQqJEYnIiIjJCIlLVMhIicqJEYnIiIkJEYxRi8=

f2 := 1 +1.002*S +0.002001*S^2 +1e-06*S^3;

NiM+SSNmMkc2IiwqIiIiRidJIlNHRiUkIiUtNSEiJCokRigiIiMkIiUsPyEiJyokRigiIiQkRidGMA==

f3 := (f1/f2) -1.5;

NiM+SSNmM0c2IiwmKiYsKEkiU0dGJSQiJS01ISIkKiRGKSIiIyQiJS1TISInKiRGKSIiJCRGM0YxIiIiLCpGNUY1RilGKkYtJCIlLD9GMUYyJEY1RjEhIiJGNSQhIzpGOkY1

solve (f3, S);

NiQkIismKlJ3ZkwhIigkIStQJipSd0ghIio=

f4 := (f1/f2);

NiM+SSNmNEc2IiomLChJIlNHRiUkIiUtNSEiJCokRigiIiMkIiUtUyEiJyokRigiIiQkRjJGMCIiIiwqRjRGNEYoRilGLCQiJSw/RjBGMSRGNEYwISIi

f5 := 1.002*S +S*S + 2e-06*S^2 + 0.1875*S^3;

NiM+SSNmNUc2IiwoSSJTR0YlJCIlLTUhIiQqJEYnIiIjJCIoLSsrIiEiJyokRiciIiQkIiV2PSEiJQ==

f6 := 1 + 1.002*S + 0.5*S^2 + 1e-06*S^2 + 0.0635*S^3;

NiM+SSNmNkc2IiwqJCIiIiIiIUYoSSJTR0YlJCIlLTUhIiQqJEYqIiIjJCInLCtdISInKiRGKiIiJCQiJE4nISIl

f7 := (f5/f6);

NiM+SSNmN0c2IiomLChJIlNHRiUkIiUtNSEiJCokRigiIiMkIigtKysiISInKiRGKCIiJCQiJXY9ISIlIiIiLCokRjYiIiFGNkYoRilGLCQiJywrXUYwRjEkIiROJ0Y1ISIi

solve (f7-1.5, S);

NiVeJCQhK3RWP19EISIqJCErbmxIbF8hIzVeJEYkJCIrbmxIbF9GKSQiK0VpUCVSI0Ym