Angolul: Aztec, Mezoamerican

Maya, Mixtec, Zapotec, and AztecMesoamerican Civilizations - writing, government, religion, calendar systems, and archaeology for the Maya, Zapotec, Mixtec, and Aztec are covered in this website by Kevin Callahan, University of Minnesota, Department of Anthropology
Maya, Mixtec, Zapotec, and Aztec

Mexica/Aztec Calendar SystemsMexica/Aztec Calendar Systems

Mexikóváros Nemzeti MúzeumaMexikóváros Nemzeti Múzeuma

The Aztec Calendar: Math and DesignIlustrated explanation of the pointer of the Aztec calendar, which functions as an indicator of the first and last days of the 260c and 365c day-count calendars
Calendar Aztec, mathematics, geometry, images, ancient reckoning systems, Cycles of the Aggregates,