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  ThermoFluidCalc — Offline Fortran Execution Guide
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Calculator : Steam Tables Advanced (IAPWS-IF97)
Category   : Thermo

Files Included:
  - iapws_if97.f90 (Fortran Source Code)
  - input.txt (Pre-configured Sample Input)

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1. How to Compile
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Make sure you have a Fortran compiler installed (like gfortran).
Run the following compilation command in your terminal:

  gfortran -O3 iapws_if97.f90 -o iapws_if97_calc

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2. How to Execute
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Run the compiled binary and redirect the input.txt file into stdin:

  iapws_if97_calc < input.txt

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3. Input File Details
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The input file 'input.txt' contains sequential parameters separated by
newlines. Here is the structure of the included 'input.txt':

  Line 1 (Input Type (1=PT, 2=Px, 3=Tx, 4=Ph, 5=Ps)): 1
  Line 2 (Val1 (P [bar] or T [C])): 5.0
  Line 3 (Val2 (T [C], x, h [kJ/kg], or s [kJ/kg-K])): 150.0

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ThermoFluidCalc — https://thermofluidcalc.com
