... few more properties aren't included.
Some of the Thiele stuff dates back 1987. Designed for compatibility
wrt the Process Control System in project, pocket calculators ...
No matter what you use, providing you can trace.
Accuracy of that stuff is as good as any other source.
Enjoy ... comments welcome.

Jean

Inst_IAPWS region 1.sm (182,52 KiB) scaricato 1275 volta(e).

Wrote

... few more properties aren't included.

... add rho to your download.

Inst_IAPWS region 1 [rho].sm (57,46 KiB) scaricato 1021 volta(e).