Godt salg Thomas Jefferson and His Decimals 17751810 Neglected Years in the History of U.S. School Mathematics by M. A. Ken Clements & Nerida F. Ellerton 21ZG6DfC

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This wellillustrated book by two established historians of school mathematics documents Thomas Jeffersons quest after 1775 to introduce a form of decimal currency to the fledgling United States of America. The book describes a remarkable study showing how the United States decision to adopt a fully decimalized carefully conceived national currency ultimately had a profound effect on U.S. school mathematics curricula.The book shows by analyzing a large set of arithmetic textbooks and an