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Manuscript Title: A program for computing the Fermi-Dirac functions.
Authors: A. Banuelos, R.A. Depine, R.C. Mancini
Catalogue identifier: ABVP_v1_0
Distribution format: gz
Journal reference: Comput. Phys. Commun. 21(1981)315
Programming language: Fortran.
Computer: IBM 360/150.
Operating system: DOS.
RAM: 46K words
Word size: 8
Keywords: General purpose, Fermi-dirac Function, Physics statistical.
Classification: 4.7.

Nature of problem:
The Fermi-Dirac function appears in a wide range of physical applications. The package contains a function routine to calculate Fsigma(alpha) for sigma greater than 0 and all real alpha.

Solution method:
The method of solution is based on the series of expansions of Rhodes, Nordheim, McDougall and Stoner and the authors.

The relative accuracy parameter EPS should not be set below 10**-5. The restriction is imposed in order to avoid a possible underflow condition. The user can improve the accuracy, depending on the computing system employed.

Running time:
Running times are below 1 s.