Question: what are the three symbols for 1 2 and 3 in the mayan number system

title: Maya numerals
text: The Mayan numeral system was the system to represent numbers and calendar dates in the Maya civilization . It was a vigesimal ( base - 20 ) positional numeral system . The numerals are made up of three symbols ; zero ( shell shape , with the plastron uppermost ) , one ( a dot ) and five ( a bar ) . For example , thirteen is written as three dots in a horizontal row above two horizontal bars ; sometimes it is also written as three vertical dots to the left of two vertical bars . With these three symbols each of the twenty vigesimal digits could be written . 

Answer: answer: The Mayan numerals are made up of three symbols; zero (shell shape, with the plastron uppermost), one (a dot) and five (a bar). With these three symbols each of the twenty vigesimal digits could be written.