How to Make an Adding Machine That Even Adds Roman Numerals

How to Make an Adding Machine That Even Adds Roman Numerals

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Description

Brief discussions of the duodecimal, the hexadecimal, and the binary number systems accompany directions for creating an ingenious machine for adding and subtracting that uses egg cartons and marbles
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Product details

  • Book | 64 pages
  • United States
  • English
  • 0152368345
  • 9780152368340