We are pleased to announce the release of PASS 2025 and NCSS 2025 with many new procedures and features.

PASS 2025 provides sample size tools for over 1200 statistical test and confidence interval scenarios - far more than any other commercial sample size software NCSS 2025 provides a complete and easy-to-use collection of hundreds of statistical and graphics tools to analyze and visualize your data.

Customers who own a PASS and/or NCSS annual subscription license can request their free upgrade by sending an email to sales@ncss.com (Please provide your current license key(s) or invoice number with your request for faster license verification).

Customers who own a PASS and/or NCSS perpetual (non-expiring) license can request a quote for a paid upgrade by sending an email to sales@ncss.com (Please provide your current license key(s) or invoice number with your request for faster license verification).

PASS 2025 adds 37 new sample size procedures and includes a variety of enhancements.

With updated analysis tools, NCSS 2025 is more powerful and easier to use than ever before! This new version includes

Improved Procedures:

• Input and/or output presentation was updated in 167 procedures for improved clarity and readability.

Program-wide Enhancements:

• The three primary underlying software components of NCSS were updated to the latest versions to improve functionality and compatibility going forward.
• New Variable Output Sizing options allow the output document dimensions to increase or decrease automatically according to the space needed for the output.