Ali bin Abi Thalib (Saudi
Arabia 658-695 M)
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Since
childhood, Ali ibn Abi Talib liked the variety of science and joined
the Prophet Muhammad. Later, Ali was married
to the daughter of the Prophet, Fatimah RA and lived in extreme
simplicity. Though living in simplicity Ali did
not subside in the search for
knowledge, do not be surprised if the apostle had said, "If
I am the city of
knowledge 'Ali is its gate."
When the initial symbol of numbers in mathematics using letters as he had been taught by the Romans is complex, Ali popularized the symbol number in the Arabic alphabet with the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0. Ali also simplifies the writing of the Roman numeral symbol where the top ten with "X", a hundred with a "C", a thousand with "M" and so easy by adding zeros behind the number of tens, thousands and units with the numbers 10, 100, 1000 and so on, where the number "0" in Arabic numbers represented by dots.
When the initial symbol of numbers in mathematics using letters as he had been taught by the Romans is complex, Ali popularized the symbol number in the Arabic alphabet with the numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0. Ali also simplifies the writing of the Roman numeral symbol where the top ten with "X", a hundred with a "C", a thousand with "M" and so easy by adding zeros behind the number of tens, thousands and units with the numbers 10, 100, 1000 and so on, where the number "0" in Arabic numbers represented by dots.
