This will permit the retrieval of averages for a particular bowler for all leagues he/she may have bowled in that were reported over the last several years. If you are not sure of the spelling of the name, enter the first three or four characters of the name. You will get back more information than you might want, but it might prevent having to go back and search the database again using a different combination of letters.
This will permit the retrieval of averages for any bowler by using the membership number assigned by the National Duckpin Bowling Congress.
This will permit the retrieval of averages between a low and high range.