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The Abacus: The World's First Computing System

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The Abacus: The World's First Computing System

The abacus is as useful and effecient a machine today as it was when it was first created centures ago. Whether you're an expert in the latest computer technology or you're mastering arithmetic and word problems for the first time, it won't take long to learn the basics (and even the not-so-basics) of adding, subtracting, multiplying, and dividing on this ingenious and fun-to-use mathematical tool.
Country USA
Brand St. Martin's Griffin
Manufacturer St. Martin's Press
Binding Paperback
ItemPartNumber 9780312104092
ReleaseDate 2007-09-04
UnitCount 1
EANs 9780312104092

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Country	USA
Brand	St. Martin's Griffin
Manufacturer	St. Martin's Press
Binding	Paperback
ItemPartNumber	9780312104092
ReleaseDate	2007-09-04
UnitCount	1
EANs	9780312104092