Produkt mají v nabídce:
Thomas Jefferson and his Decimals 1775-1810: Neglected Years in the History of U.S. School Mathematics - Clements, M.A. (Ken) a Ellerton, Nerida F.
Synthesizing four centuries of historical data, this study analyzes the long-term consequences of America's unique refusal to adopt the metric system, with generations of schoolchildren toiling over the complexities of 'Imperial' weights and measures.