as image


doesn't get desired thing.

2 Answers 2


can be used as \Infty{123} or \Infty8




enter image description here

  • @Herbert: Thanks. However, when the \infty symbol is replaced by \centerdot, the dot doesn't align with digit eight yet.
    – dearmath
    May 16, 2011 at 10:22
  • @dearmath: sure, it does!
    – user2478
    May 16, 2011 at 10:41
  • @Herbert: \documentclass{article} \usepackage{amssymb} \newsavebox\MBoxA \newsavebox\MBoxB \def\CDot#1{\sbox\MBoxA{$\centerdot$}\sbox\MBoxB{$#1$} \raisebox{\dimexpr(\ht\MBoxB-\ht\MBoxA)/2\relax}{$\centerdot$}#1} \begin{document} \Huge$\CDot8$ \end{document} image could see link
    – dearmath
    May 16, 2011 at 10:59
  • @dearmath: the bounding box is wrong. Use package MnSymbol instead of amssymb, or redefine \centerdot with the definition of MnSymbol
    – user2478
    May 16, 2011 at 11:03
  • \raisebox already provides the height of its content as \height, so the use of \MBoxA isn't needed. May 16, 2011 at 12:32

You can measure the height of a figure eight:


I get the same result, by trial and error, with


This assumes, as usual, that \mathsurround is zero; a safer definition would be


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