Change the function f(z). Example: 1/z[br][br][b]Updated:[/b] The input function now allows the complex constant [b]i[/b].

Other functions to try:[br][list][*](z-i)/(z^2+i*z+i)[/*][*]exp(1/z)[/*][*]z^3-i*z[/*][*](1-cos(z))/z^2[/*][*]ln(z)[/*][/list][b]Remark:[/b] You must type the operator * for multiplication of variable and complex number [i][b]i[/b][/i]: i*z or z*i