## LaTeX forum ⇒ Math & Science ⇒ squared values in SIunitx for resolutions

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fifo
Posts: 3
Joined: Fri Apr 24, 2020 12:09 pm

### squared values in SIunitx for resolutions

Dear all,

spent half the day to find a solution for this, but since now I didn't. In my thesis I write a lot about image and volume resolutions. Those resolutions are all isometric, so I'd like to shorten the notation to a squared or cubed value. Unfortunately SIunitx does not allow the modifiers \squared or \cubed in the value part of \SI. I attached this MWE, where I implemented my desired visualization manually in math mode:

1. \documentclass{scrbook}
2.
3. \usepackage[T1]{fontenc}
4. \usepackage[utf8]{inputenc}
5.
6. \usepackage{siunitx}
7. \DeclareSIUnit\pixel{px}
8.
9.
10. \begin{document}
11.
12. This is about my new favourite image resolution of \SI{100x100}{\pixel}.
13. I would like to write it in a shorter notation, because of its isometric nature:
14. $100^2\,\text{px}$. How do I implement that with SIunitx?
15.
16. \end{document}

Does anybody know a way to implement this with SIunitx directly?

Attachments
MWE-I.tex
Minimal Working Example

ph1sm
Posts: 1
Joined: Wed Jul 29, 2020 1:17 pm
Have you tried the lowercase si command: value\si{unit}?

e.g. $100^2$\si{\pixel}

Bartman
Posts: 96
Joined: Fri Jan 03, 2020 2:39 pm
Use the parse-numbers option:

1. \documentclass{scrbook}
2.
3. %\usepackage[utf8]{inputenc}% see issue 28 in ltnews on CTAN
4. \usepackage[T1]{fontenc}
5. \usepackage{lmodern}
6. \usepackage{siunitx}
7.
8. \DeclareSIUnit\pixel{px}
9.
10. \begin{document}
11. \SI[parse-numbers=false]{100^2}{\pixel}
12. \end{document}