So you'll have to count me out of your calculations, I'm afraid.
He had left Oy out of his calculations, and was now paying the price.
But as he sat there, silent and useless for the time, it occurred to him that he'd left something out of his calculations.
Things that happen very seldom we all leave out of our calculations, whether they are miraculous or not.
"That's the part you're leaving out of your calculations."
It does not do to leave a live dragon out of your calculations, if you live near him.
But I had left something out of my calculations.
That's what they left out of their calculations - whoever is behind this.
Still, because it's not used much, there's a chance the defenders will leave it out of their calculations.
As far as the numbers that came out of their calculations were concerned the two papers agreed.