THE HELP MENU

This is an exceptionally comprehensive and easy-to-use on-line Help system.

There are more than 1000 pages of detailed help, advice and information, and a full index list.

The Help system is easily accessed at all stages of a simulation.

As well as the main search menu the following headings are available on the opening page:

Welcome to CPO

Starting and running

Data-builder

Surface Charge Method

User's Guide

Electrodes and segments

Optimizing the accuracy

Input and output files

Tests of accuracy

Test and example files

Symmetries and reflections

Specifying rays

Trouble shooting

Mesh points

Automatic focussing

Student projects and papers

Student editions

Time dependence

Choice of accuracy

Magnetic field

HELP!!

Copyright etc.

For space-charge versions only:

Space-charge

Cathodes