An office automation suite including: word processor, spreadsheet, database, presentation, drawing tool and mathematical notation. LibreOffice supports the most common office suite of the market and also guarantees old versions support of both LibreOffice and Microsoft Office. The application does not require any plugins or adapters to open a document created with earlier versions or vice versa. It also includes by default a native ODF (Open Document Format) and can import and export directly to PDF format. LibreOffice interface is simple but powerful. The key components of an office suite is the word processor, spread sheet and presentation tools and LibreOffice has its equivalent in Writer, Calc and Impress, respectively.