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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Resource Type
Activity
Tags
abacus  ancient-computers  line-abacus 
Target Group (Age)
11 – 14
Language
English (United States)
 
 
GeoGebra version
4.2
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1967
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CC-BY-SA, GeoGebra Terms of Use
 
 
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