poliedros #biografia

my name is leonardo the pisa (fibonacci).i´m from pisa italy, a big market.(one hundred seventeen to one thousand two hundred fivety). My father Gueglielmo Bonaccio, it was an agent of trade in african. My teacher were indu-arabs , I studiedin argelia, methods of numbers. *my most known achivements were: -the publishmet of my book called liber abacci -the succession of fibonacci -the fibonacci spiral