REFPROP 9.1 includes an Excel Add-in that allows you to call thermodynamic functions directly from your spreadsheets. Open Microsoft Excel. Go to .
Critical Note : If you plan to use REFPROP with third-party wrappers (like Python or MATLAB), changing this path to a simple directory without spaces, such as C:\REFPROP , can prevent path-parsing errors later.
Installing the software is only the first half. To make it useful, you usually need to link it to other tools. Adding REFPROP to System Environment Variables refprop 91 install
REFPROP 9.1 includes an Excel Add-in ( REFPROP.xlam or REFPROP.xla ) that allows you to calculate properties directly inside spreadsheets using custom formulas. Open Microsoft Excel. Go to .
Follow these steps to install the core REFPROP 9.1 application on a Windows operating system: REFPROP 9
: Ensure your Excel version (32 or 64-bit) matches the DLL version you are calling. REFPROP 9.1 typically provides both REFPROP.DLL (32-bit) and REFPRP64.DLL CoolProp can't load REFPROP v10 mixtures on Debian 9 #1829
If you get an error saying a fluid file (like NITROGEN.FLD ) is missing, ensure you are running the application from the directory where the /fluids/ folder is located. Critical Note : If you plan to use
If functions don't work immediately, go to the Data tab, click Edit Links , and ensure the source for the REFPROP add-in points to your local installation folder rather than a temporary or user-specific directory. 4. Troubleshooting Common Issues Potential Solution OCX Errors (339)
Run-time errors like MSHFLXGD.OCX missing often mean a firewall or antivirus blocked the registration of UI components.
Tip : If you plan to interface REFPROP heavily with third-party tools like Python or MATLAB, consider changing this path to a simpler, non-protected directory like C:\REFPROP . This avoids Windows permission issues later.