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Thanks for the input, kaiser. That's right, I did notice that the alignment is only affected when the tag is a certain length. Changing the penalty, if possible, would be the perfect solution.

When using the equation or align environments, I occasionally like to insert right-aligned parenthetical explanations on each line (see MWE below). I have been achieving this using the \tag command, but this offsets the equation so that it is no longer centered on the page.

Is there a way to create ...

Ah, that's much better - thank you! I invented this expression for a little problem-solving challenge...so nothing too practical, haha.

I'm having a few issues with the following expression:
bigexp.JPG

\documentclass{article}
\usepackage{amsmath,mathdots}
\newcommand{\high}[1]{\text{\raisebox{0.6ex}{$#1$}}}
\newcommand{\higher}[1]{\text{\raisebox{1.5ex}{$#1$}}}

\begin{document}
\begin{equation*}
\left(2011^{{{2010}^{{\high{2009 ...

Thanks for the reply - the bracket problem is still present when I view the published PDF in Adobe Reader, but as long as it prints fine I guess I'll live with it.

I solved my other problem using \vphantom:
\begin{equation*}
\left|\left[
{\begin{array}{cccc}
4&-3&8&-10\\
0&-1&9&-9\\
6&-6&-5&-7 ...

I have two questions about the following:

det.JPG

1) How can I make the determinant lines slightly larger? I've tried \Biggl| but this still isn't big enough.

2) When viewed at certain zoom levels, there are small white gaps in the matrix's brackets (as in the above screenshot). I'm sure it ...