/*
 *  Determine the boiling point of water as a function of the pressure.
 */
Title "Boiling point of water as a function of pressure";
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 xlabel="Pressure (PSI)",ylabel="Temperature (degrees F.)";
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