Leonardo Pisano Fibonacci

Leonardo Pisano Fibonacci was born in the year 1170 (possibly in Pisa, Italy) and died in the year 1250. He was born thye son of Guilielmo who was a member of the Bonacci family. Leonardo was better know as ¡§Fibonacci¡. He also used the name ¡§Bigollo¡ which meant either ¡§good for nothing¡ or ¡§a traveler¡. Fibonacci was educated on North Africa, where his father Guilielmo held a diplomatic post. He worked in a Mediteranean port in Northern Algeria as a representative of the nerchants of the Republic of Pisa. They were trading in Bugia, which changed its name to Bougie and then to Bejaia Bejaia. Febonacci traveler extensively with his father where he recognized the many advantages of the nathematical system that varies countries used.
Quotes from the book ¡§Liber abaci¡ (1202) he said:
¡§When my father, who had been appointed by his country as a public notary in the customs at Bugia and was acting for the Pison merchants who went there was in charge, he summoned me to him while I was still a child and having an eye to usefulness and future connivance, desired me to stay there and receive instruction in the school of accounting. There when I had been instroduced to the art of the Indians' nine symbols

„« A hound whose speed increases arithmetically chases a hare whose speed also increases arithmetically, how far do they travel before the hound catches the hare?

Crowned King of Germany in 1212, the Holy Roman Emperor Frederick the Second was later crowned Holy Roman Emperor by the Pope in St. Peter's Church ( in Rome) in November 1220. Through his scholars Frederick was told about Gibonacci. Mickael Scotus was the court astrologer; Theororus was the courts philosopher and Dominicus Hispanus who hinted Frederick that he should meet Fibonacci in Pisa when the court was to meet next in the year 1225.

Other problems include; perfect numbers, the Chinese remainder theorem, and summing arithmetic and geometric series. In the fourth section of his book, Fibonacci treats such numbers a ¡Ô10 with rational and geometric construction.

In 1202, Fibonacci returned to Italy and dedicated Liber abaci to Scotus. The book was written about arithmetic and algebra based on information Fibonacci found on his travels. The widely copied book introduced the Hindu-Arabic placid-valued decimal system and the use of Arabic numerals into Euope. The book was mainly about the use of Arabic numberals, later being known as algorism, also studied in simultaneous linear equations. Many of the ploblems that were considered in Liber abaci were similar to thise that appeared in Arabic sources.

The Fibonacci Quarterly is a modern journal devised to