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Support

Technical Support

Contact us to have your technical questions answered by a Ph.D. statistician during regular business hours (8:00 am to 5:00 pm mountain time, Monday - Friday).

Frequently Asked Questions

Click here to go to the frequently asked question page.

Software Updates

PASS Updates NCSS Updates

Compatibility and System Requirements

PASS 2024 System Requirements
PASS 2023 System Requirements
PASS 2022 System Requirements
PASS 2021 System Requirements
PASS 2020 System Requirements
PASS 2019 System Requirements
PASS 16 System Requirements
PASS 15 System Requirements
PASS 14 System Requirements
PASS 13 System Requirements
PASS 12 System Requirements
PASS 11 System Requirements
PASS 2008 System Requirements

NCSS 2024 System Requirements
NCSS 2023 System Requirements
NCSS 2022 System Requirements
NCSS 2021 System Requirements
NCSS 2020 System Requirements
NCSS 2019 System Requirements
NCSS 12 System Requirements
NCSS 11 System Requirements
NCSS 10 System Requirements
NCSS 9 System Requirements
NCSS 8 System Requirements
NCSS 2007 System Requirements

Previous Versions

Training

Click here to go to the training page.

"I really love this version of NCSS and as teacher and researcher in a medical field I can say there aren't many things I miss in it... The help system is another strong feature; the transformations interface is one of my favorites as well."

—Dr. Adrian Buzea

"PASS is a great program. It does so much and is easy to use. It’s much better than the other sample size programs I’ve used—it has helped me greatly in my research."

—Ken Lawson, Ph.D., The University of Texas