Leonardo Pissano Fibonacci

  • 1175

    Date of Birth

    Date of Birth
    He was born on this time.
  • Period: Jan 1, 1190 to Jan 1, 1200

    Study in North Africa and Other places

    He travels to Bugia, Algeria and under his fathers commands he goes to an accounting school to learn Arab-Hindu mathematics under and Arab master. Later on, he also visits Egypt, Syria, Greece, Sicily, and Provence to collect data on their mathematical systems.
  • May 17, 1197

    Frederick 2nd Crowned

    Frederick 2nd Crowned
    This is the Holy roman emperor of Rome who associated with Fibonacci. The emperor asked him for help to solve problems in Rome. This emperor was crowned when he was only 3 years old.
  • 1200

    Ends His Travels

    Now that he is done traveling, he has collected a lot of information which he then uses to write books on Hindu-Arab mathematics.
  • Jan 1, 1200

    Liber Abaci (Book of calculations)

    Liber Abaci (Book of calculations)
    He publishes one of his best works. Introduction to Hindu-Arab mathematics and what we best know him by, "The Fibonacci Sequence".
  • 1200

    The golden Ratio

    The golden Ratio
    While using the Fibonacci number, Fibonacci realizes that the fraction that repeats is a ratio that equals 1.618033988749… when divided.
  • Period: 1202 to 1204

    The fourth Crusade

    A fleet of 200 ships fleet sail from the lagoons of Venice to reconquer Jerusalem which was conquered by the Islamic armies in the 7th century. This fleet was lead by Doge Enrico Dandolo (80 years old)
  • 1220

    Practica Geometriae (Practical Geometry)

    Practica Geometriae (Practical Geometry)
    In this Book Fibonacci wrote about how to compute with Pisan (Italian) units of measure, find square and cube roots, determine dimensions of both rectilinear (A rectilinear figure is a figure all of whose edges meet at right angles) and curved surfaces and solids, work with tables for indirect measurement.
  • 1225

    Liber Quadratorum

    Liber Quadratorum
    Leonardo writes a book Liber quadratorum on quadratic equations and how they could be used and solved. He proved many quadratic equation and other quadratic theories in this book.
  • 1225

    Mathematical Compitition in Pisa

    Mathematical Compitition in Pisa
    Fibonacci was summoned by Frederick II (Holy Roman Emperor) in order to compete in mathematics.
  • 1240

    Romes Recognition

    Rome (king at that time was Frederick the 2nd) recognized him with a salary because, of the work and teaching he had done to improve the mathematics of that time.
  • 1250

    Death

    He dies in 1250 in Italy.
  • 1250

    Death of Frederick 2nd

    He died in year 1250, which is the same year in which Fibonacci died