
 The educational encyclopedia, mathematics: complex numbers 
  Complex numbers a complex number is a number with a real and an imaginary part, usually expressed in cartesian form 
  Complex numbers arithmetic of complex numbers, identifying points in the complex plane, real and imaginary points, adding complex numbers, subtracting complex numbers, multiplication of complex numbers, finding the square roots of a complex number, finding conjugates of complex numbers, modulus, argument and polar form of a complex number, De Moivre's theorem 
  Complex variables basic definitions and arithmetic, the complex plane, the polar form of a complex number, Euler's formula 
 www.educypedia.be /education/mathcomplex.htm (346 words) 
