You might be better off trying to ask questions about the universe on https://stackexchange.com/ instead of the r/askreddit.com subreddit. Source: 12 months ago

Stolen from stackexchange.com: "A parallel universe would be a completely separate universe, possibly containing similar characters or facts, but definitively a separate entity. An alternative universe would likely take place in the same universe, but with altered facts (i.e., "what-if" scenarios).". Source: about 1 year ago

Https://www.wolframalpha.com/ is your best friend. This thing solves all math problems like a beast. Also embrace the vulnerability and ask a lot of questions on stackexchange.com. Source: about 1 year ago

This is seriously featured on page 1 of https://stackexchange.com/. - Source: Hacker News / about 1 year ago

You probably already know that you can program LibreOffice, but as you are asking specifically about an API: I can't comment on LibreOffice's API, sorry, as I've never used it. You might find some help on LibreOffice's forum, or you might be lucky on Ubuntu Forums or Stack Exchange, specifically Unix & Linux. Source: over 1 year ago

Oh I found it. It's learn-anything.xyz. Source: over 1 year ago

I think I found something that looks and works like what you described: https://learn-anything.xyz/. If it's not that one then I'd also like to know what it is because it sounds really useful haha. Source: over 1 year ago

This one is my favourite, its not great for everything but most of the time it provides a solid road map to learning something new. https://learn-anything.xyz/. - Source: Hacker News / over 1 year ago

Learn Anything : Community curated knowledge graph of best paths for learning anything. - Source: dev.to / over 1 year ago

You may be thinking of https://learn-anything.xyz/. - Source: Hacker News / over 1 year ago