This should make it easy to go through the program step by step. The online docs contain several dozen more example codes, demonstrating every aspect of the use of ChemApp. If you have a problem with ChemApp or think you encountered a bug, please use the ChemApp Bug Report Form . We try to provide e-mail support for the light version of ChemApp too. To sign up for e-mail support, register your copy of ChemApp light with us.
Registration is free and explained in the online docs.