úÎö“portable experimental/Sebastian Fischer (sebf@informatik.uni-kiel.de)AComputes Fibonacci numbers. We begin the Fibonacci sequence with  one, not zero:   map fib [0..9] == [1,1,2,3,5,8,13,21,34,55] fibonacci-0.1.0.0Data.Numbers.FibonaccifibMatrix upperLeft matrixPowersquaretimes