I've searched the Internet, but got nothing. In LaTeX, we can use \square for square, but how can we get a cube, I want to use it in an equation. Here is the picture:

example of equation with cube


The manfnt package offers \mancube and \manimpossiblecube:






enter image description here

Those commands won't directly work in math mode, but you can use a \mbox; something like this:



  \mbox{\mancube}_{n} +(n+1)^{3}


enter image description here

Of course, you could define a command if you are going to use the cube several times:

  • 1
    @TorbjørnT. you're right. Boxing the cube (as in \mbox{\mancube}) you can use it in math mode. – Gonzalo Medina Jan 9 '12 at 15:40
  • Perhaps you could add that to your answer as well. – Torbjørn T. Jan 9 '12 at 15:43
  • @TorbjørnT. right again ;-) Done! – Gonzalo Medina Jan 9 '12 at 15:46
  • @GonzaloMedina: You may want to add something like \newcommand{\cube}{\mathord{\mbox{\mancube}}} to your example. – Tobi Jan 9 '12 at 15:58
  • 4
    @Tobi A safer way might be using \text of amsmath; \mathord is not needed anyway: a box in math mode is always an ordinary symbol. – egreg Jan 9 '12 at 16:03

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