4

I would like to know if there is a way to get an enumerate list in LaTeX such that if I write a total of N items, then I get

N. Item numeber N 
N - 1. Item number N - 1
...
1. Item number 1

So if N = 3,

3. Third item 
2. Second item
1. First item
Vicky
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1 Answers1

8

From Is there a way to get reverse numbering on the enumerate environment?

enter image description here

\documentclass{article}

\newenvironment{benumerate}[1]{
    \let\oldItem\item
    \def\item{\addtocounter{enumi}{-2}\oldItem}
    \begin{enumerate}
    \setcounter{enumi}{#1}
    \addtocounter{enumi}{1}
}{
    \end{enumerate}
}


\begin{document}


\begin{enumerate}
  \item A  % 1
  \item B  % 2
  \item C  % 3
\end{enumerate}


\begin{benumerate}{9}
  \item A  % 9
  \item B  % 8
  \item C  % 7
\end{benumerate}


\end{document}

EDIT

The etaremune package provides an etaremune environment that does just this.

\documentclass{article}
\usepackage{etaremune}
\begin{document}
\begin{etaremune}
  \item Last things first
  \item \ldots
  \item First things last
\end{etaremune}
\end{document}

enter image description here

Rmano
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js bibra
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  • Is there someway to avoid the indication of the total of items (9 in your answer, N in the OP's notation)? – Vicky Jul 13 '20 at 01:33
  • please see edit – js bibra Jul 13 '20 at 03:43
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    You may want to simplify the answer to mention just the etarenum approach. – Mico Jul 13 '20 at 07:10
  • The problem encountered with etaremune is that not seem to be able to change margins and indentation for the list, as with the enumerate package--that is why a secondary choice – js bibra Jul 13 '20 at 07:14
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    @jsbibra - You should mention this shortcoming explicitly, lest the OP has a need for chaging margins, indentation amounts, etc. Of course, the OP may have no such need, in which case etaremun is all he/she needs. – Mico Jul 13 '20 at 07:21