REFPROP.DLL has expired

[mdsrjw]

I came to work this AM to discover that the DLL I am using for the Mathcad refprop wrapper has expired. I believe that I was gifted with the version that I have because I had identified a problem with a conversion in the RefProp_units file. I am being told that I have version 10.0.0.98b with an expiry date of 241215. I went to the normal location online for the latest dll's to see if there was a more recent version of there only to discover that it was at 10.0.0.98 (no b suffix). Can someone tell me how to obtain the latest working dll's for the Mathcad wrapper or are they indeed the non-suffixed version?

[ianhbell]

Email me: ian.bell@nist.gov