Version 9.1 was the first to automatically include REFPRP64.dll , which is necessary for 64-bit versions of Excel or MATLAB.
Step 1: Accept the agreement. The license text was long but familiar; I skimmed for the lines that mattered and clicked Accept. The installer asked where to place the files. Default was fine — C:\Program Files (x86)\REFPROP. I imagined folders stacking like neatly labeled canisters: mixture models, vapor tables, DLLs that would later answer frantic calls from MATLAB. refprop 91 install
Step 2: Choose components. The list read like a chemist’s shopping list: binaries, libraries, documentation, example files, interactive GUI. I checked them all. The examples were important — they would be my way in on nights when equations refused to form pictures in my head. The install bar inched forward; progress, a thin green heartbeat across the screen. Mastering the REFPROP 9
Most users utilize REFPROP via the Excel Add-in. Here is how to enable it: Open Excel and go to . Error 3: “Component ‘MSCOMCTL
Article last updated: 2025 – for informational purposes. NIST REFPROP is a registered trademark of the National Institute of Standards and Technology.