Refprop 91 Install -

You must have the original installation files (usually an .exe installer or a folder containing SETUP.EXE ). 2. Step-by-Step Installation Process Step 1: Run the Installer

Version 9.1, released in 2013, was a major update that expanded the database to . The introduction of a 64-bit DLL significantly improved performance for complex calculations and integration with modern software like Excel and MATLAB. While newer versions exist, 9.1 remains a widely used and stable standard in many engineering and academic settings.

: Set this variable to point to your main installation directory (e.g., C:\Program Files\REFPROP

: For specialized 64-bit COM object registration, you may need to run regsvr32.exe refpropco64.dll at a command prompt. 3. Setting Up the Excel Add-In refprop 91 install

Before installing REFPROP 9.1, ensure that your computer meets the minimum system requirements:

After installation, you should verify everything is working as expected.

Files unspooled: REFPROP.dll, REFPROP.exe, fluids directory rich with .FLD and .TAB files, folders named for refrigerants, noble gases, cryogens. I clicked through the documentation. In the example folder, a script plotted vapor pressure curves for R134a; even its sample plot looked deliberate, an old friend’s tidy handwriting. You must have the original installation files (usually an

A valid provided by NIST or your institution. Roughly 200 MB of free disk space. 2. Step-by-Step Installation on Windows

In the System Properties window, click the button at the bottom.

If the Excel functions don't work, go to Trust Center > Trust Center Settings > Macro Settings and ensure "Enable all macros" (or "Disable with notification") is selected. The introduction of a 64-bit DLL significantly improved

One of the most common ways to use REFPROP is within Microsoft Excel. To link version 9.1 to Excel: Linking REFPROP with Other Applications

Click "Install" and wait for the files to copy. Step 3: Install the Excel Add-in (Optional but Recommended)