[Jellby]

Originally Posted by RbnJrg

EDIT: By the way, you don't need to employ an inline image for the delta symbol. Instead you could use:

  <p>where <span style="font-family: Symbol; font-size: 1.2em">d</span> is the ineffective length.</p>

Note that then the delta will be found as "d" when searching, and it will look different from the image.