Power on X is a Mac OS X native (cocoa) program for the calculation of statistical power. The program can perform calculations of required sample size to achieve a desired power, and calculations of power for previously run studies/experiments. In addition, the paid version can generate power/sample size tables. Power on X is licensed as shareware, the cost of the registered verison is $30 and full size of the download is 0.13 MB. You may download a free version of Power on X by following download link at Free Download section of this page. Power on X is developed or distributed by MMISoftware and is listed under education science.
