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Arabic numerals

In 1202, the Italian Leonardo of Pisa (Fibonacci) introduced the arabic numerals in Europe.

 


Explanation

There has been discussion for centuries about whether or not the digit 0 is a number. Nowadays we call it a number, and for writing decimal numbers we just need it.

 


History

In his book Liber Abaci (book of arithmetics) he described the Fibonacci numbers, which probably were known for hundreds of years.


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