Displaying special characters in a grid cell

How do I display a special character in a grid cell.  For example: mg/m^3, where ^3 indicates a superscript 3.

Paul

You can us HTML formatted cells, for example : 
  AdvStringGrid1.Cells[1,1] := 'm<SUP>3</SUP>';
 
More information can be found here : http://www.tmssoftware.com/site/minihtml.asp