How can I create limits of integration in Word 2007's equation editor?

"You can specify an empty left bracket with \left. Your specific example would look like this:

\left 1/2 v^2+(u+1)v|_0^u

or after replacements:

├ 1/2 v^2+(u+1)v┤|_0^u

Actually, it's pretty much the same technique you would use in (La)TeX.

Minor nitpick: You should use \dd for the integration d in the formula. This automatically ensures an upright glyph and a small space before the d."

"Hmmm. Can't get anything that looks very good, but you can add a fraction, then right click that to remove the dividing line ('fraction bar'), this at least gives you the effect of a superscript directly above a subscript which looks OK.
Using character 2502 instead of pipe is a slightly better version of a longer vertical line, but still way off ideal.
You could split this into two equations in separate controls, then put the pipe between them, which gives you the option to change the font size independently from the rest.

Last resort, do everything else (including a fraction with no dividing line), then use the shapes tool to draw a vertical line where you need it (hold shift while you draw to snap to true vertical)"