/** * 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)); }