alleryWhich counting aid dates back to the Upper Paleolithic?
AAbacus
BSlide rule
CTally stick
DCalculator
Answer & Solution
Correct answer: C. Tally stick
1. The tally stick is a way of counting from the Upper Paleolithic.
2. The abacus and slide rule are much later tools.
3. The calculator is a modern device.
_Source: Wikipedia, Mathematical notation, Numbers_
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