Inca's
quipu
It is a system called Quipu/ Quipo/ Khipu
Well, they never had writing but had something called quipu to read and write. Their government was a single person called the Sapa Inca. They never had wheeled vehicles because the wheel wasn't invented at that time.
Sapa Inca Pizarro Quechua Quipu
The Inca Empire used the quipu for record keeping. Quipus were intricate systems of knotted strings that encoded information, such as census data, tribute obligations, and agricultural records. This innovative method allowed the Incas to manage their vast and complex empire without a written language. The quipu served as a vital tool for administration and communication throughout the empire.
Count
Catherine Mutz has written: 'Quipu' -- subject(s): Incas, Quipu, Antiquities
to keep record
The invention is Quipu..
Leslie Leland Locke has written: 'The ancient quipu or Peruvian knot record' -- subject(s): Quipu
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quipu
quipu
Scientific : An early form of brain surgery, medicines, such as medicine to cure fevers. They also invented Quipu, a counting device. Knots were tied on cords to store information.
The quipu rope was what carried messages for the Inca.
It is a system called Quipu/ Quipo/ Khipu
A Inca Quipu is a string with many knots used to record information as there was no system of writing during the Inca empire. The strings were often colored to represent something.