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Number machinesForrest M. Mims

Number machines

197754 pages
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1 edition
Literary

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Describes the development of the abacus, slide rule, and calculator and demonstrates their uses.

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1 edition
  • Other · English · 1977
    McKay · 54 pages · 9780679204015
Slide-ruleSlide ruleCalculatorsAbacusJuvenile literature