I found a great tool for this group that every surveyor should know about.  Its called Online Latex Equation editor and it is awesome!

Here's What it can do:

• Convert Latex Equations into Images to Embed in Documents
  Embed Equation in Web Page, Forum, Google Docs, Twitter
  Render Latex Math Equations into Plain Text ASCII
  Insert ASCII Eqn as comment in source-code or email
  Convert your email or address to image to avoid spam
  Supports (PNG, GIF, JPG, TIF, BMP, PNM, FIG, PS)
  Control Equation Font Family, Size, Color, and Opacity
  Unlimited Uploads, No Registration