This program calculates the Fibonacci sequence untill you click stop. The online version is VERY slow, and gives the higher numbers in scientific notation. The online version slows down immediately, but in presentation mode it slows down around the 500th number. For better results download the project and view it in presentation mode. The Ficonacci Sequence is a sequence of numbers where the next number is the sum of the last two numbers. It starts with 0 and 1 0,1,1,2,3,5,8,13,21,34,55,89,144,233........ Many of the Fibonacci numbers are found in nature.