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It's really what you're used to. The box I'm on now - a refurb with Win7, came with Libre installed. For what I do, it took a bit of familiarization but now all is well. This, mostly with the spreadsheet. I'd say the only thing it's given me trouble with is if I want to use the border routines. I've not found a 'draw' - but instead, an assortment of box templates (like those in excel).
Now, on the other side of the equation is not only the great price for the full "office suite" but that it lets you save documents in a format you like. I save to xlsx because another box has actual MS Office.
Last bit: I have copies of office from an MSDN subscription - I prefer keeping Libre.
The only time I've ever seen Libre Office "out in the wild" and actually used by someone was at one on my neighbors, a few years ago. He won't say it out loud, but I'd say he's intentionally avoiding anything Microsoft. However he's not sophisticated enough to ditch Windows and use Linux. Not sure how he feels about Apple, but that's beyond this discussion.
He had a two-column table in a Libre Office document and was trying to sort it by the first column. Whatever sorting functions or options we could try would either not do anything at all, sort the first column only (the data from the second column would not follow), or crash the entire program. Most of our attempts resulted in the latter. Repeatedly. Reproducibly.
I ended up copying his table to the clipboard, pasting it into the browser-based version of Word, sorting it, copying it back to the clipboard, and pasting it back into his Libre Office document.
In their defense, a few weeks later I noticed that Libre Office had an update, which we downloaded and retried the sort operation with (my neighbor still had a copy of his original document), and the crash was fixed. I then pointed out that it could have been a coincidence, but more likely, they found out about the crash and implemented a fix for it through what amounts to telemetry...which, based on discussions we've had, is one of the reasons he wants to move away from Big Bad Microsoft...
For 20 years I've been saying "I'm going to pull out my old university maths books and relearn what I did during those painful 4 years". For years and years I kept procrastinating until this weekend. I'm starting with the simplest and my favourite, Calculus by Michael Spivak (the classic!) and, well...
I don't feel as smart as I used to.
I seriously thought I'd pick up the book (and this is an entry level to Calculus) and breeze through it in an hour or so, nodding wisely, reminiscing over proofs by induction, mucking around with limits, breezily finding the derivative of tan(Θ) from first principles, and then crack a beer and feel that I still had it.
No, that didn't happen. I got to chapter 2 and proved d/dx(xn) = n.x(xn-1) and then had to have beer and a lie down.
Anyone else opened that box past glories and been slapped with the reality that yes, that stuff was and still is hard work?
Same experience, same subject. A while back I finally tossed most of my books from college, with the exception of math and a few computer science. Looking at the math books rather forcibly reminded me that I had long ago recycled that storage partition in my brain to store old movie dialogue. Practically speaking, much more useful.
I tossed my calculus and linear algebra texts long ago but still have abstract algebra, combinatorics, and graph theory texts, which I found more interesting and somewhat more useful. I've reopened them a few times and my experience was similar to yours, though maybe not quite as depressing.
I'm teaching a friend's high-school age kid software engineering. This week we're going to study sorting: bubble, binary insertion, quick and merge. Bubble is trivial, but I'm dreading the others. What's worse, he's very bright and thinks I know what I'm talking about.
Playing cards are useful tool. Shuffle them, deal them out and then demonstrate one of the algorithms to physically sort. Get student to have a go.
Then show the algorithm's pseudocode and show how it links to the physical process of sorting the cards. Allow only one card to be moved at a time or you will end up combining statements into one, you'll need to designate a space on the table as register/memory location.
If you want to demonstrate why a computer needs these algorithms, whereas a human does not, turn the cards face down and allow only two card faces to be seen at any one time while applying the algorithm.