This project began many years ago as an effort to preserve and distribute HP-41 manuals, software, books and literature. Today, this is the most extensive and complete collection available anywhere. If you would like to get a copy on DVD, you may purchase it below. Extended Archive DVD This DVD contains everything on this site as of September 2007 including the archives from the PPC and HPCC DataFile (by arrangement with Jake Schwartz and the HPCC - who receive part of the proceeds). All of the images are PDF files and the disk is double layer format. Please verify that your drive can read DVD+R DL. Price includes worldwide shipping. $60 Archive DVD This DVD contains everything on this site as of September 2007 except for the archives from the PPC and HPCC DataFile (may be purchased separately on CD from Jake Schwartz - see links). All of the images are PDF files and the disk is high compatibilty DVD-R format. Price includes worldwide shipping. $40 I accept personal checks, postal money orders, bank drafts, BidPay and PayPal. Sorry, I do not have the means to directly accept credit cards and I don't do wire transfers. Media is warranted against defects for thirty days. No other warranties express or implied. User assumes full responsibility for damages. Materials reproduced by permission from copyright holders.