Actually there are alternatives to thinking of them as complex numbers, specifically geometric algebra. Depending on who you believe, GA may be a better "design

Actually there are alternatives to thinking of them as complex numbers, specifically geometric algebra. Depending on who you believe, GA may be a better "design" of math for geometric calculations. http://www.mrao.cam.ac.uk/~clifford/introduction/intro/intro.html http://www.mrao.cam.ac.uk/~clifford/introduction/intro/intro...