PGOPHER <Prev Next>

Installation - Mac

The Mac version is not as polished as the Windows version, but should be perfectly usable. Any problems are likely to be user interface glitches only, rather than the calculations. (A comprehensive test suite for the calculations passes on all systems.)


PGOPHER should run on any recent Mac. Most calculations will run on any machine; larger calculations involving multiple states can benefit from more memory or processors. Some features, particularly interactive fits, are much easier with a two or three button mouse rather than using the trackpad or 1-button mouse.


The website has the following files available:
Running on macOS 10.15 (Catalina) or above requires 64 bit versions, currently available from as development versions:

Running the program

Simply double click on the zip file to produce the application that can be run in the normal way. The application is not signed, you will see a security warning. The method of running the program depends in the operation system version. On Big Sur:
This only needs to be done once when running the program for the first time; on subsequent occasions simply double click on the PGOPHER file.

On earlier OS X versions the process is typically simpler - control click or right click on the PGOPHER icon and select "Open".

Usage Notes

Command Line Version

The Command Line Version is included in the .zip file above; if you have installed PGOPHER to the applications directory it will be in /Applications/ or, if on the desktop, ~/Desktop/

Retina Displays

The the following setting may be required on the command line (terminal window) for best results:
defaults write AppleMagnifiedMode -bool no
This command is only required once. The Retinizer app ( or similar may also be worth experimenting with.