Plane,
I am not pained by your spelling. Not...exactly. But I just got this Firefox 2 and it underlines words in red for me, which I'm glad of because I don't like to make spelling mistakes.
I am, however, almost innumerate. And it ticks me off if someone makes a big deal out of it, like, "Can't you subtract right?" Well, not always, no. But I don't have a problem with it. Spelling mistakes: I don't like. Math mistakes: I don't care.