Duodecimal Society of America.

Identifiers

Open LibraryOL2170614A

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Duodecimal system. (1)

Books by Duodecimal Society of America.

Total count: 1

Manual of the dozen systema collation of material from many sources, presenting the number system, the arithmetic and the measures of the twelve-base, and the current practices for using that base most conveniently.

[s.n.]1960-01-01