1. 2015-03-31 RE: Data Communications Pac for the HP 83/85 (Marc Ve classiccm Jay West 2. 2015-03-31 RE: Data Communications Pac for the HP 83/85 (Marc Ve classiccm Marc Verdiell 3. 2015-03-30 Data Communications Pac for the HP 83/85 classiccm Marc Verdiell