It is much more capable than the things you mentioned. It can do technical documents up to thesis writing, with citations, references both document internal and external, have code blocks, which can be run, using multiple langs per file, use output of one as input for the other, spreadsheets with a whole programming lang or GNU calc behind them, per formula of course, not only per spreadsheet, it can schedule events, it can use library of babel, it can do literate programming, ...

Need I say anything more?