Based on the 2007 ABTA Software of the year award winner
LPBC Basic conventions teaches you these conventions: Blackwood / Takeout Doubles / Strong 2C / Preempts / Stayman / Jacoby Transfers / Weak Two-Bids
LPBC teaches conventions in depth using the interactive Bridge Baron Teacher architecture and allows you to practice these conventions as well.
LPBC eaches you and allows you to practice responses and rebids for conventions.
in LPBC if you make an incorrect bid, the program usually explains to you what is wrong with that specific bid.