I know that \fontdimen<num> returns some dimensions associated with the current font. What are they?
I'm aware that some "temporary" LaTeX dimensions etc. exist. I would, however, like to know all of them. I know \reserved@a (macro), \@tempdima (dimension) and \@tempcnta (counter).
Is there a way to divide two dimens and get a count? For example, if I have a box that doesn't fit on a single page, and I want to know the number of pages I'd need for the box (i.e., \heightofbox / ...
The \settowidth command, which sets a width equal to the width of some text, is described at Get width of a given text as length and How to set the width of the label of a description to the width of ...
The LaTeX reference card states for example \strut box w/ ht and depth of “(”, zero width I came to see text as a two dimensional feature, but I must be missing out on something... (following ...
The TeXbook defines in chapter 24 (page 270 in my edition) the notion of <dimen>, <skip>, <mudimen> and <muskip>, the first two being used in horizontal and vertical mode, ...