equations.maxima

func1: enthalpy = 0.24*temp + (0.621945 * v / (totalPressure - v)) * (1061 + 0.444 * temp);

func2: v = e + (f/g) * (t - h) ;

func3: solve(func1, v);

display2d:false;
diff(func3, temp);

func4: w = 0.621945 * pv / (totalPressure - pv);
func5:solve(func4, pv)[1]$

diff(func5, w);