* '''Did you know''' that you can use the yupana over the network with your friends?
* '''Did you know''' that you can use the yupana over the network with your friends?
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==== An alternative interpretation ====
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There are some alternative interpretations of how the Yupana works, e.g., [http://www.atlantisbolivia.org/decodingquipumaths.htm]. In this version, the base is 20, and rows with multiple dots are counted as 2s.
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Yet another interpretation (by the author) is that the factor of each bead is based on the number of beads in its containing box.
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Both of these alternative interpretations will be available under the "spanner" toolbar. And in a subsequent version, the learner will be able to explore their own interpretations of how the Yupana works.