I think you are looking for Lebesque measure, wikipage.

Quote: “For lower dimensions n = 1, 2, or 3, it coincides with the standard measure of length, area, or volume. In general, it is also called n-dimensional volume, n-volume, hypervolume, or simply volume.”

Neither, I just write a symbol.

Could you repeat the question?

And of those, pride is the biggest. I’m really proud of my keyboards.

So, where can I find this?

I’m pretty happy with my Corne keyboards. They are nice to tinker with.

Peep Show is so brilliant. It is one of my favourite shows.