1. \documentclass[border=3pt,pstricks]{standalone}
  2. \usepackage{amsmath,pstricks,graphicx}
  3. \newsavebox\IBox
  4. \savebox\IBox{\scalebox{15}{%
  5.     \raisebox{\depth}{%
  6.         $\displaystyle 128\sqrt{{}_e980}$}}}
  7.  
  8. \begin{document}
  9.  
  10. \begin{pspicture}(\wd\IBox,\ht\IBox)
  11.     \rput[bl](0,0){\usebox\IBox}
  12. \end{pspicture}
  13.  
  14. \begin{pspicture}(\wd\IBox,\ht\IBox)
  15.     \psclip{\psframe[linestyle=none,dimen=middle](\wd\IBox,0.49\ht\IBox)}
  16.         \rput[bl](0,0){\usebox\IBox}
  17.     \endpsclip
  18. \end{pspicture}
  19.  
  20. %\begin{pspicture}(\wd\IBox,\ht\IBox)
  21. %   \psclip{\psframe[linestyle=none,dimen=middle](0,0.49\ht\IBox)(\wd\IBox,\ht\IBox)}
  22. %       \rput[bl](0,0){\usebox\IBox}
  23. %   \endpsclip
  24. %\end{pspicture}
  25. \end{document}