<p>Can someone help me out with this? I just can’t seem to get a grasp of it. Only concept I’ve never been able to get a hold of. I’ve been studying it left and right, but it still doesn’t make sense. I’ve looked up sites pertaining to it, and it’s the same as my text book. </p>
<p>My instructor is a bit of an old nut himself, and he isn’t too helpful with any of this either.</p>
<p>Anyone?</p>