Calculates fibonacci numbers to the Nth place given.
Use main.rb to call the fibonacci class
example main.rb file:
require './lib/fibonacci'
a = Fibonacci.new
puts a.calculate(5)
puts a.calculate(9)
puts a.calculate(17)
puts a.calculate(512)
Output from example file:
5
34
1597
44893845313309942978077298160660626646181883623886239791269694466661322268805744081870933775586567858979269