Thru the Pi Yee Press "Our Catalog", an interactive free Demo for the Blackjack 6-7-8 software can be downloaded. Click the link below to go to the page for information about downloading the Demo (if link below does not work, go to http://bj21.com/euclidtemp/software_demo.htm).
Most of the program's features are enabled in the Demo. In the Demo, the only cards are 5s, 6s, Kings, and Aces.
-Hal