Recursion
-----------------

Binary Conversion Method ... 

decimal 1 = binary 1
decimal 2 = binary 10
decimal 3 = binary 11
decimal 4 = binary 100
decimal 256 = binary 100000000
decimal 1000 = binary 1111101000
decimal 10000 = binary 10011100010000
decimal 100000 = binary 11000011010100000

Largest Array Item Method ... 

The largest array item is 10
The largest array item is 9
The largest array item is 8