This OpenOffice 3.0 Course: Writer and Calc offers you specialised training in OpenOffice. «OpenOffice» had been developed in versions subsequent to version 3.0. However, the two main applications in OpenOffice 3.0 These were «Writer» and «Calc», which are the word processor and spreadsheet, respectively. Development of OpenOffice has continued since version 3.0, and newer versions may include new features and improvements.