code: public BigComplex multiply(BigComplex value) {
  		return valueOf(
  				re.multiply(value.re).subtract(im.multiply(value.im)),
  				re.multiply(value.im).add(im.multiply(value.re)));
  	}
docs: Calculates the multiplication of the given complex value to this complex number.
  
  <p>This methods <strong>does not</strong> modify this instance.</p>
  
  @param value the {@link BigComplex} value to multiply
  @return the calculated {@link BigComplex} result