I'm using the amsbook document class with the psamsfonts and mathpazo packages. The minus sign touches the bottom of the text line. Is there a way to slightly miniaturize and vertically center the \pm symbol with the number?


$\pm 1$

1 Answer 1


For simple uses


should do. If you need a very accurate measuring

  \raise\dimexpr(\ht0-\ht2)/2\relax\box2 }

If you need the symbol also in subscripts or superscripts, something else is needed.

The psamsfonts option is obsolete, as far as I remember.

  • Thank you! Is psamsfonts superseded by any package?
    – user02138
    Jul 26, 2011 at 10:10
  • No, the PostScript fonts are used automatically and the option does nothing, apart issuing a warning.
    – egreg
    Jul 26, 2011 at 10:17

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