This is code cracker what happens is the calculator will randomly generate a code condsisting of 7 numbers 0-9 and you get 20 tries to find the code wheny ou enter a code the calculator will tell you how much you had right in the right spot. the codes are enterd in like the following {1,2,3,4,5,6,7} hopw you enjoy this game Lockjaw420 email me at Lockjaw420@yahoo.com and tell me what you think