The use of the quipu dates back to 2500 BCE, long before the Inca Empire emerged. We still don't know how it originated. Deciphering quipus is tough.

For more than a millennium, many Andean peoples used an object called a "khipu" (also spelled "quipu" and pronounced "key-poo") to record and communicate information.

Researchers studying an ancient form of writing used by the Incas in pre-Columbian South America have unraveled new clues to a longstanding mystery. The research, undertaken by Professor Sabine Hyland ...

Although the Inca Empire reigned across the Americas for just one century, its greatest legacy, Machu Picchu, has intrigued visitors for hundreds of years. But while this abandoned Andean city is ...

If you were wrestling with a spreadsheet in the office this week, be glad you weren’t born during the Inca Empire of ancient Peru. The Excel or Xero spreadsheet of the day was the quipu ...

These pyramids in Peru are older than the ones in Egypt, and predate the Incan Empire by roughly 4,000 years. On a high, dry terrace overlooking a green river valley in the Andes Mountains of Peru, ...

The scientists also chose the name due to the European Southern Observatory in Chile playing a role in the discovery, which is near the former home of the Inca Empire.

While much of the world used stone tablets or other media that didn’t survive the centuries, the Incas used something called quipu which encoded numeric data in strings using knots.