Calling syntax:
XSteam(‘fun’,In1.[In2])
XSteam take 2
or 3 arguments. The first argument must always be the steam table
function you want to use. The other arguments are the inputs to that
function.
Example:
XSteam('h_pt',1,20) Returns the enthalpy of water at 1 bar and 20
degC
Example:
XSteam('TSat_p',1) Returns the saturation temperature of water at 1
bar.
For a list of valid
Steam Table functions se section 3 or the XSteam macros for MS Excel or the
XSteam information page.

Sample XSteam
molliere diagram