The Particle-Size Toolbox is made up of over 100 Matlab functions. The easiest way to access them all is by using the scripts startpst and runpst to create and run a PST project.

Getting started


Where are my data?

The Particle-Size Toolbox organizes and saves your data within the PST project directory MyProjectName.

Data are saved in Data, graphs and maps in Figures and log files in LogFiles.

More help



  • For help on individual functions enter 'help function' into the Matlab command window, e.g.
help pstinterp

Visit FAQs for answers to frequently asked questions.


Get in contact if you have any questions that aren't addressed on this website.