1
vote
0answers
38 views

Math lists: commas inside or outside of math mode? [duplicate]

I am wondering whether to use that (1) $A_{a}, B_{b}, C_{c}$ # comma in math mode or that (2) $A_{a}$, $B_{b}$, $C_{c}$ # multiple math modes, comma outside math mode Any good reasons for ...
7
votes
3answers
582 views

parse variable length comma separated list into command

I've been trying to modify the solution here into a LaTeX3 command that takes a variable length comma separated list of numbers and an optional argument (a unit) and prints the square root of the sum ...