PASS

Updates

Use this page to update your PASS software.

PASS 11 Update
Existing customers who own a license to PASS 11 may download and install this file to update to the latest release of the software. Your personal files will not be affected.

Due to high volume, we have provided two download sites for PASS 11. If one is slow or unavailable, try the other.

Site 1
Download

Site 2Download

Update PASS 11
File: PASS11Setup_web.exe
Size: 47.1 MB
Version: 11.0.8
Release Date: December 2, 2011

Click here for Minimum System Requirements

What problems have been fixed by this update?


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.

Download

Update PASS 2008
File: PASS2008Setup.exe
Size: 34.6 MB
Version: 08.0.16
Release Date: January 27, 2011

Click here for Minimum System Requirements

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.

Download

Update PASS 2005
File: setup.exe
Size: 93.6 MB
Most Recent Update: November 14, 2007

Click here for Minimum System Requirements

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.

Download

Update PASS 2005 and NCSS 2007
File: setup.exe
Size: 93.6 MB
Most Recent Update: November 14, 2007

Click here for Minimum System Requirements

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.

Download

Update PASS 2005 and NCSS 2004
File: setup_2004.exe
Size: 96 MB
Most Recent Update: April 23, 2007

Click here for Minimum System Requirements

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.

Download

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

Click here for Minimum System Requirements


Click here to order online.
Click here to view the PDF order forms.
Click here to view product price lists.

Download a 7-day Trial Copy of PASS 11

Download 

Use Evaluation Serial Number "TRYPASS11"

Place an Order Using Our Secure Online Order Form

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PASS 11
Now Available

We are pleased to announce the availability of PASS 11. This edition adds over 17 new procedures and features to PASS.

Click here for pricing.

Buy Now

Read about what’s new in
PASS 11
.

"Researchers seeking software to determine sample size have a wide range of choices... Researchers seeking a comprehensive, commercial program for analysis of statistical power and precision should consider PASS 2008."

- Patrick Dattalo
 "A Review of Software for Sample Size Determination"
Eval Health Prof, 2009.

Click here for the complete list of procedures.


NCSS 2007

NCSS 2007 is now available. This version adds several new procedures and features to NCSS, including mixed models, macros, and an enhanced user interface.

Click here for pricing.

Buy Now

Read about what’s new in
NCSS 2007.

Click here for the complete list of procedures.


Download Updates for PASS and NCSS

Update

What problems have been fixed by recent PASS 11 updates?

What problems have been fixed by recent NCSS updates?


Minimum System Requirements
Click on one of the links below to view the minimum system requirements for NCSS and PASS products:
PASS 11
PASS 2008
NCSS 2007
Previous Versions

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 and PASS are some of the most accurate statistical analysis programs available. NCSS and PASS calculate 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).

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