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Transcript -- Incas and their knots
Mathematical models: from sundials to number engines - for iPad/Mac/PC
English - March 26, 2010 04:59 - 19.7 KB application/pdf - ★★★★★ - 1 ratingCourses Education mathematics modelling astronomy imagination greeks stereoscopic stars horizon zenith navigation numbers Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Transcript -- How South American Incas kept records by the use of knots.