/**
* Calculates the angle in radians (also known as argument) of this complex number.
*
* <p>This methods <strong>does not</strong> modify this instance.</p>
*
* @param mathContext the {@link MathContext} used to calculate the result
* @return the calculated {@link BigComplex} result
*/
public BigDecimal angle(MathContext mathContext)
{
return(BigDecimalMath.atan2(im, re, mathContext));
}