The other principal interest in the judgment is the discussion of the two main points on which it thought that the tribunal had gone wrong. (newlawjournal.co.uk)
You can use it to determine how much principal interest you will pay during your mortgage term. (answers.com)
Constraints on the masses of the two pulsars from the measurements are shown, where the inset is an expanded view of the region of principal interest. (blackholecam.org)