Like Maya, Aztecs used vigesimal (based on 20) numeral system. But the aztec numeral system was additive, that means the order of symbols was not important and a special symbol was designated for every 20'th power. The following calculator converts an input integer number in Aztec number script.
Aztec numeral symbols
Aztec symbols for twenties power:
- dots for units
- flags for the twenties
- trees for the four hundreds
- ceremonial pouches for the eight thousands. 1
The Aztecs did not have a zero symbol.
Ancient civilizations of Mexica and Central America by Herbert J. Spinden, New York, 1917. p. 201 ↩