"Algebra was developed in apparent independence by both the Hindus and the Greeks; but our adoption of its Arabic name (al-jabr, adjustment) indicates that it came to western Europe from the Arabs—i.e., from India—rather than from Greece. The great Hindu leaders in this field, as in astronomy, were Aryabhata, Brahmagupta and Bhaskara. The last (b. 1114 A.D.), appears to have invented the radical sign, and many algebraic symbols. These men created the conception of a negative quantity, without which algebra would have been impossible; they formulated rules for finding permutations and combinations; they found the square root of 2, and solved, in the eighth century A.D., indeterminate equations of the second degree that were unknown to Europe until the days of Euler a thousand years later.14 They expressed their science in poetic form, and gave to mathematical problems a grace characteristic of India’s Golden Age."
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The Story of Civilization
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