Referring to your girlfriend that way is not very nice.

Hey hey, the US actually won a war! Been a long time coming…

The way Gmail orders conversations/email chains makes it SO hard to figure who’s reply to what and what the latest email is. Each email in the chain contains the entire chain before it and you end up reading everything twice just to work out what the hell is going on.

Alternatively, the same measurement is 752.5mm / 4 = 188.1mm, to a practical number of significant figures. No convertions between feet and inches (or ridiculous fractions of inches), and only one calculation.

BTW the book was by Peter Duffett-Smith if that helps.

When I was a kid my parents bought me a book called “practical astronomy with your calculator” that went over all the workings and formulae for calculating eclipses, moon phases, locations of the planets and heaps more. If you want to get into it I highly recommend this book or something similar.

Woodworking, sure. You have a piece of wood 2’ 5 5/8“ long that you need to cut into quarters. Can you calculate that in your head? Metric is SOOOO much easier.