Components of user documentation including: purpose of the system, limitations of the system, hardware and software requirements, how to load/ run/install software, how to save a file, how to print data, how to add records, how to delete/edit records, input format, output format, sample runs, error messages, error handling, troubleshooting guide/helpline, frequently asked questions, glossary of terms

Bullets including shape, alignment, line spacing and indent

The order in which mathematical operations are performed including the use brackets to make sure that formulae work