LeoStatistic software for data presentation, statistical analysis, marketing and prediction. Free download: 
Probability of
craps.
LeoStatistic have a special tools permitting to do experimental research of probabilities of complex events. Lets do it for craps game: Open LeoStatistic. In tab "Data" click on "Insert" button. Select "From formula", name "c1" and print there : "int(1+rand(5.9999))" Repeat the same one more time for name "c2" and the same formula Next time for name "craps" enter formula" "c1+c2" Make states of "c1" and "c2" "Inactive" and state for "craps"  "Value". In tab "View" press on button for displaying in histogram style. I tab "Statistics" select "Show percentage" Result picture has to be like this: If to do a small job to get from result panel numerical data: copy, paste into MS Excel, create table and so on you can produce a table of probabilities of any number in Craps game:
Probability to win at first draw, to get 7 or 11, is 22.4%. To lose at once
with 2, 3, or 12  10.6%. Full analyze of the the game is not a subject of this
sample and quite difficult but in general you get a picture. 
Screenshots of the LeoStatistic software: click on picture to enlarge
