| Real and imaginary parts over the complex plane Contour plot of the real part (red) and imaginary part (blue) of  over the  . Here  . By the Cauchy–Riemann equations, the curves of constant real part and constant imaginary part are orthogonal. Curves of vanishing real part (red) and imaginary part (blue) of  over the  . Here  . Absolute value and argument over the complex plane Contour plot of the absolute value (violet) and argument (green) of  over the  . Here  . Real and imaginary parts over the complex plane around infinity Contour plot of the real part (red) and imaginary part (blue) of  over the  . Here  . Curves of vanishing real part (red) and imaginary part (blue) of  over the  . Here  . Absolute value and argument over the complex plane around infinity Contour plot of the absolute value (violet) and argument (green) of  over the  . Here  . |