Users who already own Version 9.x can upgrade to Version 10 for a discounted price of $125.00 .
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* Standard Reference Data. * PC Databases. * REFPROP 10 Single User: Thermodynamic and Transport Properties Database. National Institute of Standards and Technology (.gov) REFPROP | NIST Users who already own Version 9
While it has been officially superseded by , many researchers and engineers still seek version 9.1 for its specific compatibility with legacy systems and established workflows. Official Download and Acquisition nist refprop 91 download hot