Flos (1225), solutions to problems posed by Johannes of Palermo
Flos is also the name of a mathematical work by Fibonacci.
The site also offers users tools such as a currency converter, heat-maps, and various calculators (Fibonacci calculator, currency calculator, profit calculator, margin calculator, Forex volatility).
Roman Numerals (I, II, III) were cumbersome to use and only maintained a dominant role in arithmetic until 1202, when Leonardo Fibonacci in his work Liber Abaci, demonstrated that calculations with Hindu-Arabic numerals (1, 2, 3) were far more efficient.
Chapin (1957) was an easy victim as Starbuck qualified his “Fibonacci proportion” as an “obscure and soft mystique” (1965b, p. 484).
In 2008, Taylor's daughter with Cory Doctorow, Poesy Emmeline Fibonacci Nautilus Taylor Doctorow was born.
Finance professor Roy Batchelor and researcher Richard Ramyar, a former Director of the United Kingdom Society of Technical Analysts and formerly Global Head of Research at Lipper and Thomson Reuters Wealth Management, studied whether Fibonacci ratios appear non-randomly in the stock market, as Elliott's model predicts.
His manuscripts were widely circulated and were among others used by Albertus Magnus and Fibonacci.
Since the mid-1990s his works have been mostly composed for the combination of instruments known as the "Pierrot sextet" (after Arnold Schoenberg's Pierrot Lunaire: flute, clarinet, violin, cello, piano, with percussion instead of Schoenberg's singer), and have explored the application of the Fibonacci series (a numerical series in which each number is the sum of the previous two numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233…) to musical structures.