Activities/Yupana: Difference between revisions
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Created page with "Yupana is an Incan counting device similar to an abacus. 250px" |
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[[File:Yupana.png|250px]] | [[File:Yupana.png|250px]] | ||
Where to get Yupana: [http://activities.sugarlabs.org/en-US/sugar/addon/4533] |