(HP-67) Thermodynamic programs

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An extract from from Thermodynamic HP67 Calculator Programs, NTIS, LBL-5485 …

Introduction
The calculation of thermodynamic data and phase diagrams, even when no experimental data exist, is possible …
The calculations were largely carried out using an HP-65 programmable calculator and the programs have been tabulated (13). In this report, those programs have been put in form for use with the HP-67 calculator which allows for a great reduction in the number of programs required to carry out the calculations.

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