Mayan, Inca and Aztec numbering systems: a little mathematics of pre-colombian civilizations . Research, Society and Development, [S. l.], v. 11, n. 10, p. e145111032265, 2022. DOI: 10.33448/rsd-v11i10.32265. Disponível em: https://rsdjournal.org/rsd/article/view/32265. Acesso em: 5 dec. 2025.