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Transcript 
Mesoamerican
Mathematics
and
Calendrics
Tim Roufs
University of Minnesota Duluth
•• • •
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Cuello, Belize
Cuello, Belize
Maya Mathematics
••••
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Understanding Physical Anthropology and Archaeology, 8th ed., p. 487.
Maya Mathematics
Understanding Physical Anthropology and Archaeology, 8th ed., p. 487.
Gregorian Calendar
• followed the Julian Calendar which had
been used 800 years
• in 1582 Pope Gregory XIII declared that
the following October 4th should be
October 15th
• he also provided that leap years should
be skipped in centesimal years, except
when they are divisible by 4
• thus, there were no leap years in 1700, 1800,
1900, but there was one in 2000
Mathematics
Mathematics
Mathematics
Duluth Herald Tribune
Saturday, February 1, 2003, p. 2A
End of Mathematics
and
Calendrics
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