enter the starting number and the program dose all the math for you. click the turbo button to make itr speed up and click it again to make it speed up even more on the third click it resets. click the flag to reset it
for people who don't know what 3x+1 is here is the rule: If a number is even, divide it by 2 If a number is odd, multiply it by 3 and add 1.
