A record-keeping device of the Inca empire consisting of a series of variously colored strings attached to a base rope and knotted so as to encode information,used especially for accounting purposes.

• 结绳印加帝国的一种记录方式，由一系列色彩各异的绳子组成，它们连结在一基绳上，并打绳以编译信息，常用来记录最近发生的事