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History of real numbers

research paper for math :(
by

giancarlo labiosa

on 14 January 2013

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Transcript of History of real numbers

History of real numbers
By: GianCarlo Labiosa before real numbers where "created" people counted with "Natural Numbers" for example... The Farmer had 4 sheep. if the farmer had no sheep you wouldn't say he had 0 sheep you simply wouldn't count it because 0 was not a natural number it wasn't even invented yet. Before numbers as we know them today we used Roman Numerals since there is only 26 letters in the alphabet and zero was not yet invented if you wanted to do a big number such as one billion they would use symbols to represent multiplying numbers which is why the idea of zero was so genius Whole numbers are basically Natural Numbers ( 1,2,3,4) with zero added to it Real Numbers were never truly invented, it was more like they evolved. German mathematician George Cantor was credited with defining whole numbers in 1871 What is a Rational Number?

A Rational Number is any number that can be written as a fraction or ratio such as 8 because 8 can be written as 8/1 The main thing to know about rational number is that it is an extension of Integer Numbers (real numbers) The man who invented Rational Numbers was Ashutosh Kumar A Irrational Number is a number that cant be written as a simple fraction. The man who invented Irrational Number was named Sir Sinders Green.
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