eqair.jnlp (Java Network Launch Protocol file for alternatively launching the app.)
Instructions
100000 1.0 100000 1.1 100000 1.2 etc...which would be a suitable input for "pressure,density" with "SI Units". Note that the applet is designed especially to allow you to cut and paste in lists of point pairs from other applications such as Excel and, indeed, it is a lot easier to do it this way.
Please let me know if you have any questions, or find a bug that I missed, at William Devenport