... a diplomatic post. His father's job was to represent the merchants of the Republic of Pisa who were trading in Bugia, later called Bougie and now called Bejaia. Fibonacci was taught mathematics in Bugia and traveled widely with his father, and he recognized the advantages of the mathematical systems used in the countries they visited. Fibonacci ended his travels around the year ... in a graph.) The ratio begins to even out, and the average of the ratios is equal to 1.618034. This is termed the golden ratio, and is often represented by the Greek letter phi. It is believed that the Fibona...

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• Grade Level: High School