The Stephenson Abacus(TM)

The line-abacus was developed in ancient Mesopotamia and used by the Babylonians, Egytptians, Greeks, Romans, and Middle Ages Europeans. It is more powerful than constrained bead abaci and was developed first.

 

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Tipo de Material
Atividade
Palavras-chaves
abacus  ancient-computers  line-abacus 
Grupo alvo (idade)
11 – 14
Idioma
English (United States)
 
 
Versão do GeoGebra
4.2
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2158
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