PASS

Use this page to update your PASS software. Click here to view the problems that have been fixed by recent NCSS updates.

PASS 2008 Update
Existing customers who own a license to PASS 2008 may download and install this file to update to the latest release of the software. If PASS 2008 is already installed on your computer, you may be asked to uninstall the previous version before installing this new version. Select "Yes" to proceed with the update. Your personal files will not be affected. In this version, PASS has been split from NCSS.

Update PASS 2008 File: PASS2008Setup.exe Size: 34.6 MB Most Recent Update: January 14, 2010 What problems have been fixed by this update?

PASS 2005 Update
Existing customers who own a license to PASS 2005 may download and install this file to update to the latest release of the software. In this version, NCSS and PASS are combined into one physical program.

Update PASS 2005 File: setup.exe Size: 93.6 MB Most Recent Update: November 14, 2007 Do not use this link to update PASS 2005 if you also own a license to NCSS 2004. If you own licenses to NCSS 2004 and PASS 2005 and wish to update both, use the "PASS 2005 Update (NCSS 2004 User)" link below.

PASS 2005 Update (NCSS 2007 User)
Existing customers who own a license to PASS 2005 and NCSS 2007 may download and install this file to update to the latest release of the software. In this version, NCSS and PASS are combined into one physical program.

Update PASS 2005 and NCSS 2007 File: setup.exe Size: 93.6 MB Most Recent Update: November 14, 2007 Use this link to update PASS 2005 only if you also own a license to NCSS 2007. If you own licenses to NCSS 2004 and PASS 2005 and wish to update both, use the "Update PASS 2005 and NCSS 2004" link below.

PASS 2005 Update (NCSS 2004 User)
Existing customers who own a license to PASS 2005 and NCSS 2004 may download and install this file to update to the latest release of the software. In this version, NCSS and PASS are combined into one physical program.

Update PASS 2005 and NCSS 2004 File: setup_2004.exe Size: 96 MB Most Recent Update: April 23, 2007 Use this link to update PASS 2005 only if you also own a license to NCSS 2004. If you own licenses to NCSS 2007 and PASS 2005 and wish to update both, use the "Update PASS 2005 and NCSS 2007" link above.

PASS 2002 Update
Existing customers who own a license to PASS 2002 may download and install this file to update to the latest release of the software. In this version, NCSS and PASS are combined into one physical program.

Update PASS 2002 File: setup_2004.exe Size: 96 MB Most Recent Update: April 23, 2007

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System Requirements
PASS 2008, NCSS 2007, and GESS 2006 run on 32-bit and 64-bit systems with Windows 7, Vista, XP, 2000, NT, ME, 98, or 95. Requires pentium-class computer with at least 32 MB of RAM. Requires 200 MB of hard disk space. Requires Adobe Reader® version 7 or later to use the NCSS, PASS, and GESS Help Systems.

Accuracy
We at NCSS have put a great deal of effort into finding the most accurate algorithms possible. The programs have been tested and verified over and over, both by us and by our customers. Each routine has been verified against textbooks, journal articles, and, where possible, other software. NCSS is one of the most accurate statistical analysis programs available. NCSS calculates with seventeen-digit, double-precision accuracy.

Guarantee
If you are not completely satisfied with an NCSS product during the first 30 days for any reason, return the program for a full, prompt refund (excluding shipping).