5

I am trying to define new operator %. I tried to make it smaller but it also made spacing around it smaller. How can I reduce operator size without changing spacing around operator? Thanks for help guys

\documentclass{article}
\usepackage{graphicx}
\usepackage{relsize}
\newcommand{\modd}{\mathsmaller{\mathbin{\%}}}
\begin{document}
$ x \modd y $
\end{document}
  • I'd say you want \mathbin{\mathsmaller{\%}} – egreg Aug 2 '16 at 14:25
  • @egreg The problem with that approach is it produces a big % when used in \displaystyle. – Steven B. Segletes Aug 2 '16 at 14:27
  • @StevenB.Segletes Correct. – egreg Aug 2 '16 at 14:31
3

Here I use the star from of \DeclareMathOperator, so that displaystyle sub/super-scripts are above and below the operator (if needed). Use without the * if you want the subscript to remain as a subscript in style, rather than below the operator.

\documentclass{article}
\usepackage{graphicx}
\usepackage{relsize}
\usepackage{mathtools}
\DeclareMathOperator*{\modd}{\scriptstyle\%}
\begin{document}
$ x \modd y $
\[ x \modd y \]
$ x \modd_1 y $
\[ x \modd_1 y \]
\end{document}

enter image description here

If you need it to work in the smaller math styles, then

\DeclareMathOperator*{\modd}{%
  \mathchoice{\scriptstyle\%}{\scriptstyle\%}{\scriptscriptstyle\%}{\scriptscriptstyle\%}}
  • The spacing is incorrect; try $a\modd(b+c)$ – egreg Aug 2 '16 at 14:35
  • @egreg Thanks for snatching defeat from the jaws of victory 8^b – Steven B. Segletes Aug 2 '16 at 14:39
1

You want to reverse the roles of \mathbin and \mathsmaller: However, \mathsmaller has to be used with care.

\documentclass{article}
\usepackage{graphicx}
\usepackage{relsize}
\newcommand{\modd}{\mathbin{\mathchoice
  {\textstyle\mathsmaller{\%}}
  {\mathsmaller{\%}}
  {\mathsmaller{\%}}
  {\mathsmaller{\%}}
}}

\begin{document}

$\displaystyle x \modd y $

$ x \modd y $

$\scriptstyle x \modd y $

$\scriptscriptstyle x \modd y $

\end{document}

enter image description here

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