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recent bookmarks from jmWhy did Sumerians use the sexagesimal system?2019-03-05T12:02:55+00:00
https://www.nagaitoshiya.com/en/2013/sexagesimal/#heading_60_is_countable_on_the_fingers_of_both_hands
jmsexagesimal 12 60 counting fingers history sumerian mesopotamiahttps://pinboard.in/https://pinboard.in/u:jm/b:b59a3ca126e2/