African Mathematics History for Kids! - 0 views
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Stephanie Kimber on 14 Sep 12Counting Systems used by various cultures
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Another North African mathematician, al-Hassar, about the same time developed the modern way of writing fractions, with a bar separating the top from the bottom, like 1/2 or 2/7. Al-Hassar also wrote textbooks in Arabic about how to add whole numbers and fractions, how to calculate square roots and cube roots, and prime numbers
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By 3000 BC, people in Egypt were using hieroglyphs to write down very large numbers.