Years back I bought a solar powered calculator that does hex and octal. (Actually, I bought six, since they were on closeout sale for a couple of bucks each. I gave four to coworkers, and took one of the remaining two home.) Whenever I run into one of those bit pattern problems (like funky subnet masks), I reach for the calculator.
This week, while working on some problem that required radix conversion, the teamate I was pairing with reached for... the Windows calculator. The words "but
Makes me wonder what else is hiding in plain sight.