If preserves the size and the sense of the angle of intersection of any two curves intersecting at , then is called conformal at .
If is conformal at any point of the domain , it is called conformal in .
![\begin{figure}\centering
\mbox{
\subfigure[]{\epsfig{file=Conformal-1.eps,height...
...\qquad
\subfigure[]{\epsfig{file=Conformal-2.eps,height=4.5cm}}
}\end{figure}](/images/maths/complex-analysis/definition/img1234.png)
