I set my font to sans serif via


Now I want to use some symbols -not all- (only normal letters or greek letters) from the standard computer modern math font in mathmode.

Unfortunatly neither



{\fontfamily{cmm}\selectfont $w$}

will give me the desired result.

I want to use it in a tikz-environment, but I guess that's no difference to the usual usage.

update: I am a little confused about the fact, that I cannot change the font at all. Neither with the above mentioned selectfont-command nor in tikz via (for example)

\node[font=\rmfamily] at (0,0) {$w$};

The following example using \mathrm seems to work nicely in MikTeX 2.9 with a tikz-box:



    \node[rectangle,inner xsep=10pt,inner ysep=10pt,
          anchor=south,text width=\columnwidth,shade]{#1};


sans serif text

\mycolorbox{Sans serif: $a + b$, CM: {$\mathrm{c}$}}


I think you need to explicitly enable this with the mathrmOrig option in sfmath. The result looks like this:

TeX example rendered

| improve this answer | |
  • This works also for me with TexLive 2011 with pdflatex. – Nicolás Ozimica Jan 26 '12 at 20:07
  • 1
    Thanks, that also works in TexLive2010. But is there a solution to get the computer modern math font (cmm) working, too? – Matz Jan 26 '12 at 20:19

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