263
Trigonometry
(thelemmy.club)
[Harold leaning back in his chair: Day 1209 of not using sin, cos or tan.]
I've been clean since 2002.
I used an arctan the other day cutting new window trim for my house where everything is very much not square. Cut came out perfect on the first try, felt proud.
I've done that sort of thing before, too. But my experience is that I spend 20 minutes scratching out a formula that would make my physics profs proud, then make the cut, it comes out wildly off, I realize I would have been better off eyeballing it, and then I hide my failure with caulk