Who Invented Algebra? (It's Complicated) | A History of Mathematics
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The Fascinating History of Arabic Numerals (Modern Day Numbers!)
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How Imaginary Numbers Were Invented
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The Map of Mathematics
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Science in a Golden Age - Al-Khwarizmi: The Father of Algebra
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Catalan Numbers - Numberphile
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The Genius Way Computers Multiply Big Numbers
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The way math should be taught
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