<description>Transcript -- Starting in Africa 20,000 years ago, trace the history of numbers through time, including Egyptian use of fractions and the problems of Roman numerals.</description>

Transcript -- Starting in Africa 20,000 years ago, trace the history of numbers through time, including Egyptian use of fractions and the problems of Roman numerals.

Starting in Africa 20,000 years ago, trace the history of numbers through time, including Egyptian use of fractions and the problems of Roman numerals.

Transcript -- A Brief History of Numbers

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