FIBONACCI

His life Bigollo Leonardo Pisano (c. 1170 - c. 1250) Also

known as Leonardo of Pisa, or simply Fibonacci,was an Italian matematician consider by some The western mathematician most talented of the Middle Ages.

Fibonacci traveled throughout the Mediterranean countries to study with the leading Arabs mathematicians of that time. When he was 32 years old, he published what he had learned in Liber Abaci (Book of Abacus).

HIS WORKS

His works - Liber Abaci (Book of Abacus): It was written in 1202

and enlarged in 1228. They based a theory of fractional numbers. All fractions are presented to the Egyptian way.

- Practice Geometriae. (Geometry practice): dimensional geometry problems relating to plane and solid figures.

Flos ad super solutionibus quarumdam questionum pertinentium geometricam numerum : Solutions of certain matters relating to the number and the geometry.It has fifteen problems determinates and indeterminates with first degree solutions.

His works Letter to Theodore: Leonardo sends in the letter to

Theodore, two problems.The first is algebraic and consist in finding objects in different proportions. The second problem is geometric-algebraic. This is an isosceles triangle inscribe in an equilateral pentagon.

The Fibonacci sequence:In mathematics, the Fibonacci sequence is the following infinite sequence of natural numbers: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144 ...The sequence begins with 1 and 1, and each number is the sum of the two previous numbers.

ANY QUESTIONS?

BY: SUSANA MORALES, ALBA LÓPEZ AND ANA MUÑOZ.