Contact
All communication about pH should be directed to Chris Johnson (Email:chris@chris-johnson.org.uk). Suggestions for new features are always welcome.
Web sites
Chris Johnson's web site is at https://www.chris-johnson.org.uk/index.html, with his RISC OS software at https://www.chris-johnson.org.uk/software/index.html.
Source code
The source code for pH is available for download. Visit the web site for further details. Source code for some other of Chris Johnson's applications is also available.