I'd like to typeset a formula triangle ("Formeldreieck") for the U=E*d formula - is there an easy way of doing this within LaTeX (I actually use LaTeXit on Mac OS X, but I do know how to add packages if necessary)?

  • you mean like this ? – David Carlisle Dec 11 '13 at 9:43
  • Exactly - see Marco's answer below (for which I am very thankful). – Christian Dec 12 '13 at 9:05

I think you can use TikZ for this:

        regular polygon,
        regular polygon sides=3,
        node distance=2cm,
\tikz\node[Formeldreieck]{$\dfrac{U}{R\cdot I}$};

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