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Symbian software

This page contains a number of downloadable programs I've written. They are all intended to be run on Psion machines running the Symbian EPOC operating system.

If you have any queries, bug reports or problems with any of them, please feel free to e-mail me. I can also supply source code to anyone interested. There's no charge for using any of them, but I retain copyright, so please let me know if you intend to distribute any altered versions.

Once downloaded, the series 3 files should be unzipped and saved into the APP folder of your Psion. They can then be installed in the usual way. The series 5 programs include installation instructions.

RSS feed An RSS feed of my Symbian software is available.

Download

  • dy/dx dy/dx
    Version 1 (13 Jun 2004) for RISC OS and Symbian.
    This program will differentiate expressions algebraically. Just type in the expression, click on 'Differentiate' and the computer will do all of those intricate quotient rules for you! Included in the archive are versions for RISC OS and Symbian (Epoc32).
    Download: source, screenshot.
  • TextBook TextBook
    Version 1 (23 Dec 2001) for Epoc32.
    This is a text file reader for viewing books saved as text files. It works on both the Series 5 and the Revo and installs from a SIS file. Text viewed using it is automatically formatted and can be displayed using various fonts and sizes. It also has search and bookmark facilities. I wrote this in order to view books downloaded from the Project Gutenberg website.
    Download: source, screenshot.
  • Chars Chars
    Version 1 (4 Aug 1998) for Epoc16.
    Chars, is a quick reference program giving codes for all of those top bit characters (like à ê ï ø ú ¥ and so on) that a recent report has proven are impossible to remember. Give your linguistic talent the freedom it's been yearning for!
    Download: binary.
  • Pixel Pixel
    Version 1 (4 Aug 1998) for Epoc16.
    A program for Psion series 3a/c/mx. Pixel is a simple icon editor which lets you draw icons at 9 times zoom. It has cut and paste functions, text, ellipses and other wondrous objects. Give your artistic talent the freedom it's been yearning for!
    Download: binary.