Kenneth Cheung/Getty Images Gemini is getting a bit more useful today. Google has begun rolling out an update that gives its chatbot the ability to generate files directly from the prompt bar. To use the new feature, all you need to do is tell Gemini what you want (for example, "create a budget"), and then tap the export button to download the resulting output in your desired format. The list of supported file formats includes PDF, TXT, RTF and CSV. Of course, Google Docs and Slides are supported as well, as is Google Sheets. Gemini can also generate Microsoft Word documents and Excel spreadsheets, in addition to Markdown and LaTex files. For the uninitiated, LaTeX is a typesetting system for formatting scientific documents and journals . Nearly the entire scientific community relies on LaTeX, and Google's decision to support the protocol is notable given OpenAI recently released Prism , an entire app dedicated to formatting LaTeX journals.…