Inca's
quipu
It is a system called Quipu/ Quipo/ Khipu
Sapa Inca Pizarro Quechua Quipu
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.
They used a group of knotted strings called a quipu. The varying knots in a quipu represented different place values, making it easy to count crops or populations or anything that could be numbered in this way.
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
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.
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.