Nist Refprop 9

NIST REFPROP 9 holds a special place in engineering history. It arrived during a transition period where computing power was finally sufficient to run full Helmholtz equations in real-time on a desktop PC. It democratized access to reference-quality data, moving it from national labs to small engineering firms.

"I talked to a ghost," he said, sipping his recycled water. "A ghost named REFPROP 9. It knows more about how the universe works than any of us ever will." nist refprop 9