Error-free computation with finite number systems

  • Authors:
  • Robert Todd Gregory

  • Affiliations:
  • University of Tennessee, Knoxville, Tennessee

  • Venue:
  • ACM SIGNUM Newsletter
  • Year:
  • 1979

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Abstract

Since an automatic digital computer is a finite machine, it is capable of representing, internally, only a finite set of numbers. Thus, any attempt to use an automatic digital computer to do arithmetic in the field of real numbers (R, +, ·) is doomed to failure because R is an infinite set and most of the elements in R cannot be represented.