You could have downloaded PBA 4.3.7 from our software library for free. The software lies within Games, more precisely Simulation. This program was originally designed by David R. Smith. The following versions: 4.3 and 1.0 were the most frequently downloaded ones by the program users. Commonly, this program's installer has the following filenames: nba2k11.exe, nba2k13.exe and PBA.exe etc.
From the developer:
Professional Blackjack Analyzer (PBA) is a comprehensive software tool for the analysis, simulation, and practice of the game of blackjack.
You may want to check out more software, such as PBA 2k11, which might be related to PBA.