More commonly known as Fibonacci, Leonardo Bonacci is notable for popularising the Hindu-Arabic numeral system, with its use of zero, decimal points and 10 numbers instead of the ponderous Roman numeral system. He"s most famous, however, for his sequence of numbers: 0, 1, 1, 2, 3, 5, 8... By adding the first two numbers, you arrive at the third, and adding the previous two numbers, you arrive at the next number, and so on. Disregarding the zero, the first four numbers correspond to today"s date, 11/23.
Spiral aloe, Kangaroo Island, Australia
Today in History
More Desktop Wallpapers:
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Vermilion Cliffs National Monument, Arizona, USA
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Sperm whale
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Iguazu Falls seen from Paraná, Brazil
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Burns National Heritage Park, Ayr, Ayrshire, Scotland
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Letters Square Roundabout, Manaus, Brazil
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Ruins of Dunseverick Castle, Northern Ireland
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Snowy egret preening, central Florida, United States
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Glenariff Forest Park, County Antrim, Ireland
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Bears Ears National Monument, Utah, United States
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The Sonoran Desert, Arizona, USA
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Giant anteater
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Grand Canal in Venice, Italy
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Russell lupines, Lake Tekapo, New Zealand
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The Blue City of Jodhpur, Rajasthan, India
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Photo of the moons surface through a telescope
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Tre Cime Nature Park, South Tyrol, Italy
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Eltz Castle, Germany
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Prosecco Hills, Veneto, Italy
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The Circus, Bath, Somerset, England
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Grey-headed flying fox carrying her pup, Australia
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Haghartsin Monastery, Armenia
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The Monastery of Roussanou
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Skåne County, Sweden
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Camel thorn trees, Namib-Naukluft Park, Namibia
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A herd of impalas
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Porthcawl lighthouse, Wales
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Monte Sirente, Abruzzo, Italy
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Joshua trees under the Milky Way, California, United States
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Hawaiian lei flower garlands
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Tree frog, Costa Rica
Bing Wallpaper Gallery

