I have a problem with the units see .mcdx.
The first one is calculated with units.
The second one is calculted WITHOUT units.
The second one is correct, is it impossible to make the same answer with the first one just with units?
This is what the "unit" Delta°C should be used for. Note that difference of temperatures in units other than Kelvin is not done by simply subtracting the values in °C.
Note the difference: