11.   Meanwhile, calculating the effect of the presidential election uncertainty is difficult.

12.   Richard Garwin, a veteran weapons scientist, calculated the effects of exploding a bomb, mixed with one kilogram of plutonium, in Munich on a still day.

13.   So in calculating the effects for each beach, surf forecasters must take into account the shape of the coast.

14.   The Chronicle, with help from the Hemming Morse accounting firm, calculated the effect of the Forbes flat tax on four hypothetical households.

15.   The congressional staff calculated the effects only in the first five years.

16.   The FAA said it could not calculate the effect on schedules and was putting the emphasis on safety.

17.   Then it will calculate the effects on the economy as a whole.