On calculating Fibonacci numbers in CA few months ago Evan Miller wrote an essay called The Mathematical Hacker. While an interesting post he does make a mistake when he gives the "proper way" to calculate the Fibonacci numbers. The essay claims that you shouldn't use the tail-recursive method you would learn in a CS class to compute the Fibonacci numbers because, as any mathematician knows, an exact analytical solution exists. His C
How to get random lines out of a file or piped stream
Analyst, measure thyself
