The native people of Mangareva, a Pacific island, a binary number system from 15th century
Borrowing from Wiki
The Mangarevan people had developed a binary number system 300 years ahead of Europeans.[4] The discovery of the binary system being used as far back as 1450 CE is particularly surprising, given its location.
This old way of common numbering has been all but lost. Because the islands were controlled by the French for such a long period, the Arabic number system with which the West is most familiar has taken its place. Researchers Andrea Bender and Sieghard Beller discovered that mathematicians on the island combined the two number systems into a novel binary system.[clarification needed] This allowed them to cut down on the number of digits involved in traditional binary systems. For example, 130 is represented in binary as 10000010. In the Mangarevan system, it is represented by VTK. V (varu) stands for 80, T (tataua) is 40, and K (takau) is 10.
https://en.wikipedia.org/wiki/Mangareva
Borrowing from Wiki
The Mangarevan people had developed a binary number system 300 years ahead of Europeans.[4] The discovery of the binary system being used as far back as 1450 CE is particularly surprising, given its location.
This old way of common numbering has been all but lost. Because the islands were controlled by the French for such a long period, the Arabic number system with which the West is most familiar has taken its place. Researchers Andrea Bender and Sieghard Beller discovered that mathematicians on the island combined the two number systems into a novel binary system.[clarification needed] This allowed them to cut down on the number of digits involved in traditional binary systems. For example, 130 is represented in binary as 10000010. In the Mangarevan system, it is represented by VTK. V (varu) stands for 80, T (tataua) is 40, and K (takau) is 10.
https://en.wikipedia.org/wiki/Mangareva
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