Talk:Fibonacci

Latest comment: 13 days ago by Oscar1martin in topic Leonardo Bonacci?

Fibonacci or Leonardo Fibonacci or Leonardo da Pisa

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While he was alive, the mathematician went by the name Leonardo. Many google searches have his name: Leonardo Fibonacci, therefore, I added that to the very beginning of the article. 73.85.204.254 (talk) 15:53, 16 May 2019 (UTC)Reply

Do you have reliable published sources attesting to the use of that form of the name? If not, you should not be adding it to the article. —David Eppstein (talk) 16:25, 16 May 2019 (UTC)Reply
a dutch article metions 'Fibonacci' as NICKNAME and 'Leonardo di(van) Pisa' as real name
'die nu vooral bekend is onder zijn bijnaam Fibonacci,'
https://npokennis.nl/longread/7986/hoe-komen-we-aan-het-cijfer-nul 85.149.83.125 (talk) 14:42, 6 August 2023 (UTC)Reply
I think i is ok to put the name 2600:1006:B04B:FE8:3576:216:158A:7D9C (talk) 20:42, 11 August 2023 (UTC)Reply
And he can do whatever heshe wants 2600:1006:B04B:FE8:3576:216:158A:7D9C (talk) 20:45, 11 August 2023 (UTC)Reply
Leonardo Fibonacci or Leonardo da Pisa. 96.71.56.173 (talk) 17:03, 30 November 2023 (UTC)Reply
You have reliable published sources to justify your opinion, I assume? —David Eppstein (talk) 17:10, 30 November 2023 (UTC)Reply

Leonardo da Pisa

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Like Leonardo da Vinci, Leonardo da Pisa is correct Italiano. 2601:582:C480:BCD0:8C5B:6369:5D41:5C54 (talk) 13:03, 23 July 2022 (UTC)Reply

Semi-protected edit request on 10 January 2024

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Please change: "Guglielmo directed a trading post in Bugia (Béjaïa), in modern-day Algeria, the capital of the Hammadid empire.[16] Fibonacci travelled with him as a young boy, and it was in Bugia (Algeria) where he was educated that he learned about the Hindu–Arabic numeral system." To "Guglielmo directed a trading post in Almohad Bugia (Béjaïa), in modern-day Algeria.[16] Fibonacci travelled with him as a young boy, and it was in this city that he was educated and learned about the Hindu–Arabic numeral system." Bejaia at that time was Almohad not Hammadid (And the Hammadid kingdom was never an empire).TybenFree (talk) 23:22, 10 January 2024 (UTC)Reply

You can use these sources: [1][2][3][4] TybenFree (talk) 23:31, 10 January 2024 (UTC)Reply
  Done I removed the part that you seem to be objecting to. M.Bitton (talk) 23:44, 10 January 2024 (UTC)Reply

Title of Liber Abbaci

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I'm almost certain that it was spelled with two b's, which would distinguish it from the abacus. This is important because one of the main things the book accomplished was to eliminate need for the abacus, therefore it seems a little misleading to include this translation and not to include the second "b", as was indicated in The Man of Numbers, one of the books in the "further reading" list. 2601:644:9182:E590:9ECB:89BB:807A:8EF2 (talk) 06:09, 8 April 2024 (UTC)Reply

Leonardo Bonacci?

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My understanding is that Leonardo's father's nickname was Bonaccio (or something similar), so someone, well after Leonardo's death, invented the nickname "filius Bonacci", that is, Bonaccio's son, shortened to Fibonacci. But I have never heard of Leonardo being called Bonacci himself. Oscar1martin (talk) 18:44, 13 August 2025 (UTC)Reply