OpenOffice reference guides

From OpenOffice.org Wiki

This is a collection of useful reference material for OpenOffice. The material is generally applicable to both OpenOffice 2.x and 3.x; where differences occur they should be noted. Things that users will frequently refer to should be listed here, even if they are part of a larger document located elsewhere:

• Syntax for Math Formulae
• Functions available in Calc Spreadsheets (by category)
• Functions available in Calc Spreadsheets (sorted alphabetically)
• Syntax for Regular Expressions in Writer
• Bibtex-Bibliography Mappings