You can use the digits 1,2,and 3 once only and any mathematical symbols you are aware of, but no symbol is to be used more than once. The challenge is to see if you can make the largest numbers.
Here are some numbers to set the ball rolling: 321, 21to the third power, (3/.1)to the second power.
(levik: I guess this is more of a competition)
(In reply to re: Maybe....
Maybe I got a bit excited about that one!