Archaeologists Uncover A Trove Of Rare Inca Calculating Devices
Archaeologists working in Peru have discovered 25 well-preserved quipus, an ancient string-based device used to solve mathematical problems and to assist in record-keeping. The find was made in the archaeological complex of Incahuasi, south of Lima, Alejandro Chu, reports Peru This Week. The items were found in ancient warehouses, or kallancas, and not in a…