Forgive my ignorance, but I keep hearing that electric & electronic engineers use complex numbers in their calculations. Could anyone explain what purpose the imaginary component has in this context? --- Yours, Haakon Hansen Norway --- Med vennlig hilsen, Håkon Hansen student økonomi og administrasjon, 40 vt. Høyskolen i Vestfold "Obstacles are what you see when you take your eyes off of your goals!"