If Excel is even a small part of your job, it is worth taking an hour of your time to watch Joel Spolsky's "You Suck at Excel": https://www.youtube.com/watch?v=0nbkaYsR94c
Some HN comments here: https://news.ycombinator.com/item?id=12448545
The first time I saw that video was when referenced in a HN submission about Excel use[1]. You might find it interesting.
1: https://news.ycombinator.com/item?id=12448545
If Excel is even a small part of your job, it is worth taking an hour of your time to watch Joel Spolsky's "You Suck at Excel": https://www.youtube.com/watch?v=0nbkaYsR94c
Some HN comments here: https://news.ycombinator.com/item?id=12448545