@B_resnick just read your Vox explainer on zero; sorry that it doesn’t even mention independent development of zero in Central America
have a good link? I'll read and see about adding a sentence. Thanks!
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link to educational website: https://www.maa.org/press/periodicals/convergence/maya-cycles-of-time-maya-number-system …
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the central authority is Michael Closs; can’t find current email but his book still the basic:https://utpress.utexas.edu/books/clonat
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key point: by ca 300 bc inscriptions in Mexico and Guatemala in system requiring zero concept. Could have been in use earlier.
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