Excerpt from Interactive Fortran Programs for Micro Computers to Calculate the Thermophysical Properties of Twelve Fluids (Miprops) The fluids included are: helium, hydrogen, nitrogen, oxygen, argon, nitrogen trifluoride, methane, ethylene, ethane, propane, iso and normal butane. The programs give properties in both the liquid and vapor states over a wide range of temperature and pressure. Copies of the program may be obtained from the Office of Standard Reference Data, Room a32o, Physics Building, National Bureau of Standards, Gaithersburg, MD 20899. Key words: argon; computer programs; density; dielectric constant; enthalpy; entropy; equation of state; ethane, ethylene; heat capacity; helium; hydrogen; internal energy; isobutane; methane; nitrogen; nitrogen trifluoride; normal butane. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.