[grammatim[_2_]]

Or the toolbar/Ribbon button.

On Sep 2, 11:05*am, Idaho Word Man
wrote:
Use superscript. *Select the exponent and either use Ctrl-Shift-+ or use
Format-Font to apply superscript to the number.

I hope this helps.

Fred



"slippery" wrote:
How do you show a representation of an exponent e.g. square metre-