Digital arithmetic calculator and digital computer using non-redundant (2N+1) notation system with a radix of (2N+1)
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United States of America Patent
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Oct 13, 1998
Grant Date -
N/A
app pub date -
Oct 18, 1995
filing date -
Oct 31, 1994
priority date (Note) -
Expired
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Abstract
A central processing unit and a digital data processing system for performing arithmetic processing of numbers that are not presented using traditional 10 radix signed digits 0, 1, 2 . . . 9. The central processing unit and digital data processing system of this invention are configured to process numbers that are from a set of digits {X.sub.1, X.sub.2 . . . X.sub.2n+1 } wherein each of these digits represents a number between -n, . . . -1, 0, 1, . . . n such that n is an integer and n.gtoreq.1. Thus, for any number that comprises more than one digit the most significant digit represents both magnitude and positive/negative state of the number and the remaining least significant digits each have a radix of (2n+1).
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