!  Determine the boiling point of water as a function of the pressure.
Title Boiling point of water as a function of pressure
Register			! Please register your use of Nonlin
Variable Pressure		! Pressure in vessel in pounds per square inch
Variable Temp			! Temperature in degrees Fahrenheit
Parameter a = 1700
Parameter b = -3200
Function Temp = b / log(Pressure/a) - 459.7           ! Clapeyron's equation
Plot grid
Confidence 90			! Print 90% confidence intervals
Data
 3.8  71.6
 4.4  86.0
 5.8  95.0
 7.1 131.0
 9.0 158.0
10.7 183.2
11.9 194.0
13.1 206.6
14.5 210.2