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This article explains a theory of how yupana worked http://www.mathematicsmagazine.com/Articles/Yupana.php http://www.mathematicsmagazine.com/Articles/Yupana.p
by etc-hosts 2y ago
This article explains a theory of how yupana worked
http://www.mathematicsmagazine.com/Articles/Yupana.php http://www.mathematicsmagazine.com/Articles/Yupana.php
- kallistisoft 2y agoThank you for posting an article worth reading :)
- dang 2y agoThanks! we've changed the link to that from https://cacm.acm.org/blogcacm/technical-marvels-part-3-the-yupana/ https://cacm.acm.org/blogcacm/technical-marvels-part-3-the-y... above.