El Kipu y la Puyana (1989)
Pre-Columbian man not only used the quipu for managing quantities, his data storage system also used the puyana, a type of abacus that is still used on Taquile Island in Lake Titicaca.
Pre-Columbian man not only used the quipu for managing quantities, his data storage system also used the puyana, a type of abacus that is still used on Taquile Island in Lake Titicaca.