Requirements

Technical

Runs on Microsoft Windows® with a minimum 800x600 resolution screen.
Windows, Word, PowerPoint and Excel are trademarks of Microsoft Corporation.

macOS

To run the program on a Mac, a Windows emulator is necessary such as Parallels or Bootcamp. Using Wine or CrossOver is not recommended.

researcher

"This software is great and the ease of use is amazing. I normally use [another program] and was prepared to spend hours...With your program I had the graphs in minutes and the graphs got it exactly right. An incredible effort. Thanks!!"

Ricardo Pietrobon - Director of Outcomes Research, Division of Orthopedic Surgery and Ambulatory Anesthesia, Duke University

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Power and Precision

software image

Power and Precision is a statistical power analysis software package for calculation of a sample size for a planned study. The program features an unusually clear interface, and many tools to assist the user in developing an understanding of power analysis.