% ghci Comb.hs GHCi, version 7.10.3: http://www.haskell.org/ghc/ :? for help [1 of 1] Compiling Comb ( Comb.hs, interpreted ) Ok, modules loaded: Comb. *Comb> :browse arrange :: Integer -> Integer perm :: Integer -> Integer -> Integer comb :: Integer -> Integer -> Integer combRep :: Integer -> Integer -> Integer bicoefs :: Integer -> [Integer] pascal :: [[Integer]] prettyPascal :: Int -> IO () derange :: Integer -> Integer *Comb> comb 6 3 20 *Comb> perm 3 5 0 *Comb> arrange 5 120 *Comb> comb 10 2 * comb 8 3 * comb 5 2 25200 *Comb> bicoefs 5 [1,5,10,10,5,1] *Comb> prettyPascal 10 [1] [1,1] [1,2,1] [1,3,3,1] [1,4,6,4,1] [1,5,10,10,5,1] [1,6,15,20,15,6,1] [1,7,21,35,35,21,7,1] [1,8,28,56,70,56,28,8,1] [1,9,36,84,126,126,84,36,9,1] *Comb> :quit Leaving GHCi.