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单词 Biquinary code
释义

Biquinary code

英语百科

Bi-quinary coded decimal

(重定向自Biquinary code)
Biquinary code
Reflected biquinary code
Copy of a Roman abacus
Suanpan (the number represented in the picture is 6,302,715,408)

Bi-quinary coded decimal is a numeral encoding scheme used in many abacuses and in some early computers, including the Colossus. The term bi-quinary indicates that the code comprises both a two-state (bi) and a five-state (quinary) component. The encoding resembles that used by many abaci, with four beads indicating either 0 through 4 or 5 through 9 and another bead indicating which of those ranges.

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更新时间:2025/6/19 22:36:30