Fibonacci, the Accountant who Changed the History of Mathematics and Finance
When Andrea (Giovannetti) asked me to write an article about Fibonacci, my first thought was: "Domine, non sum dignus". While in the left hemisphere of the brain – the one dedicated to...
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Why Reproduce the Liber Abbaci in a Limited Edition Today?
"I turned to a book as if to a person" — Tiromancino, lyrics by Franco Califano
It is an apparently very simple question, which nevertheless requires complex and profound answers, partly traceable only...
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Fibonacci, the Liber Abbaci and the Golden Ratio: between Mathematics, Nature and Spirituality
0 0, Zephyr, the number that did not exist. The Romans did not have the number "zero". It was the void they expressed with linguistic terms, for example non est, in accounting...
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