Playing roulette, after you input the money you want to bet, the initial bet and your goal, the program simulates 10000 trials, and after that gives you the probability of winning applying the Martingale technique.

The output probability is considering you are betting always on the same color (red or black), always a even or odd number or from 1-18 or 19 to 36.

The strategy had the gambler double his bet after every loss, so that the first win would recover all previous losses plus win a profit equal to the original stake.

This program is available for American Roulette and European Roulette.