pūnaha tau
1. (noun) number system.
Ko ngā tohutau, ngā tikanga o ia tohutau, me ngā ture mō te whakamahi i ngā tohutau hei whakaatu tau. Arā ngā momo pūnaha tau o te ao, ko tā tātou he pūnaha tekau. He māmā te pūnaha tekau, nā te mea he ngāwari noa iho te whakarea, te whakawehe, te tāpiri me te tango i te tekau, i te rau, i te mano, i tētahi atu taupū rānei o te tekau (TRP 2010:211). / A number system consists of the symbols, the numbers they represent, and rules for combining the symbols together to represent numbers. There are many different number systems throughout the world, ours is a base ten system. A base ten system is straight forward because it is easy to multiply, divide, add and subtract ten, one hundred or any other power of ten (TRP 2010:211).