Injury prevention strategies cover a variety of approaches, many of which are classified as falling under the â3 Eâsâ of injury prevention: education, engineering modifications, and enforcement/enactment.
Lived c. 1170 â c. 1245. Fibonacci was the greatest Western mathematician of the Middle Ages. In the absence of his contributions, the scientific revolution started by Nicolaus Copernicus in 1543 would not have been possible. Fibonacci introduced the modern number system to the West, which ultimately allowed science and mathematics to flourish.
Although Fibonacci's Liber Abaci contains the earliest known description of the sequence outside of India, the sequence had been noted by Indian mathematicians as early as the sixth century. In the Fibonacci sequence of numbers, each number is the sum of the previous two numbers. Fibonacci began the sequence not with 0, 1, 1, 2, as modern mathematicians do but with 1,1, 2, etc. He carried the calculation up to the thirteenth place (fourteenth in modern counting), that is 233, though another manuscript carries it to the next place: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377.