3
votes
0answers
32 views

Integer operations on cross references [duplicate]

I would like to perform integer operations on a cross reference. \documentclass{article} \usepackage{etoolbox} \begin{document} hello \label{here} \ifnumequal{\pageref{here}}{1}{You are on the 1st ...
17
votes
6answers
1k views

Checking if a number is a multiple of 4

Using etoolbox, ifthen, or another form of conditional checking, how can I check if a value is a multiple of 4? E.g. if the number is 4, 8, 12, 16, etc., then it returns "true".