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What is the dovey decimal classification system?
"What are the classification under the dovey decimal classification system?"
Can you express every decimal as a fraction?
No, not all can be put to a fraction like in algebra this year we can't.
What year Dewey decimal classification system invented?
It was developed in 1876. SO WAS UR NAN
Is a fraction a real solution or a non-real solution in algebra?
A fraction is just a number. It's as real as any whole number (or decimal).
Who inveted algebra?
Arabic scholar Al-Khwarizmi (c. 780 - c. 850) visited India and collected mathematical material for his book "Ilm al-jabr wa'd muqabalah". He sold his book to the Romans. The source of the English word algebra was aljabr which in Arabic means 'the equating'. His name became the word 'algorism', the old word for arithmetic. The same word was the root for 'Algorithm' used in computing. Through his writings, the decimal system and the use of zero were transmitted to the west. Algebra was known to Indians long before Brahmagupta (ca. 598-ca. 665). Al-Khwarizmi's algebra is regarded as the foundation and cornerstone of the sciences. In a sense, al-Khwarizmi is more entitled to be called "the father of algebra" than Diophantus because al-Khwarizmi is the first to teach algebra in an elementary form and for its own sake, while Diophantus is primarily concerned with the theory of numbers.
