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.

"Your software is superb!"
Dr. David Noble - University of Aberdeen
Power and Precision

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.