17 Apr 2026 No Comments

It’s not just about rabbits: Fibonacci’s Liber Abaci features merchants, profits, and balanced accounts

The Other Liber Abaci… Without the Fibonacci Sequence In the 1228 manuscript preserved at the National Central Library in Florence, Leonardo Fibonacci does more than just do math: he teaches how to buy,...
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16 Apr 2026 No Comments

Fibonacci, the Merchant of Numbers: Economics and Commerce in the Liber Abaci

Leonardo Pisano, known as Fibonacci, was a key figure in medieval history and had deep ties to the Maritime Republic of Pisa and the art of commerce. During his stay in Bougie,...
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The Fibonacci sequence and the golden ratio

0, 1,1,2,3,5,8,13,21,34,55,89,144,233,377,610,987,1597,2584,4181,6765 and 1,61803398874989484820458683436563811772030917980576... What are these numbers, and why are they so important and interconnected? Step by step… What is the Fibonacci sequence? Thanks in part to the film *The Da Vinci Code*, the Fibonacci...
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26 Jan 2026 No Comments

Venice, the magic of masks: black eyes. by Massimo De Santis

Foreword by Andrea Giovannetti In the photographic art book Venice, the magic of masks, the author conveys in a few dense and revealing lines the meaning of the black eyes of the masks...
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The Venice Carnival and the magic of masks

A collective ritual of controlled madness: freedom, mystery, and social equality The book “The Magic of Masks” by Massimo De Santis When the opportunity arose to include the photography book Venice: The Magic of...
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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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Unboxing VS Consegna VIP

Antiquus. Your artwork, in your home, just like in a museum — but only for you. You have wanted this piece for a long time: you researched it online, read articles and...
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, 28 Oct 2025 1 Comment

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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Dante's code

The Divine Comedy as an encrypted message and as a codex, to be touched firsthand, among numbers, symbols, and Tradition Dante does not merely write a poem: he constructs a code. He organizes...
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24 Sep 2025 No Comments

d'Annunzio: an inimitable life between art, marketing, and facsimile reproductions

Gabriele d'Annunzio: the Vate between Decadentism, Modernity, and Collecting at Il Vittoriale Describing Gabriele d'Annunzio – or rather, the many d'Annunzios that manifested throughout his life – is a complex undertaking. An article...
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