Mathematics Appreciation Mathematics in Nature and Arts Patterns Fibonacci Sequence Define Fibonacci number: an integer in the infinite sequence 1, 1, 2, 3, 5, 8, 13, … of which the first two terms are 1 and 1 and each succeeding… it displays unique mathematical properties that make it useful in fields as diverse as astronomy (distances between planets and the sun, and the shape of galactic spirals), botany (growth patterns of plants and trees), and financial markets (price movements of securities). Fibonacci Sequence Fibonacci Sequence Fibonacci Sequence Fibonacci Sequence