binary decimal

English

binary decimal (plural binary decimals)

(dated) A binary (base-2) numeral.
- 1938, G. H. Hardy and E. M. Wright, An Introduction to the Theory of Numbers, section 9.7:
  Any positive integer up to ${\\displaystyle 2^{n}-1}$ inclusive can be expressed uniquely as a binary decimal of ${\\displaystyle n}$ figures, i.e., as a sum ${\\displaystyle \\sum _{0}^{n-1}a_{s}2^{s}}$ , where every ${\\displaystyle a_{s}}$ is ${\\displaystyle 0}$ or ${\\displaystyle 1}$ .
(informal) Used other than figuratively or idiomatically: A decimal (numeral written as a concatenation of successive negative powers of the base) in base 2..

Mathematics Stack Exchange: "What is the origin of the (nearly obsolete) term 'binary decimal'?"

单词	binary decimal
释义	binary decimal English Noun binary decimal (plural binary decimals) (dated) A binary (base-2) numeral. 1938, G. H. Hardy and E. M. Wright, An Introduction to the Theory of Numbers, section 9.7: Any positive integer up to ${\\displaystyle 2^{n}-1}$ inclusive can be expressed uniquely as a binary decimal of ${\\displaystyle n}$ figures, i.e., as a sum ${\\displaystyle \\sum _{0}^{n-1}a_{s}2^{s}}$ , where every ${\\displaystyle a_{s}}$ is ${\\displaystyle 0}$ or ${\\displaystyle 1}$ . (informal) Used other than figuratively or idiomatically: A decimal (numeral written as a concatenation of successive negative powers of the base) in base 2.. See also binary-coded decimal References Mathematics Stack Exchange: "What is the origin of the (nearly obsolete) term 'binary decimal'?"
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