Hints

  1. Traces can be zoomed both horizontal and vertical:
    • To zoom out a trace horizontal drag the mouse.
    • To zoom out a trace vertical press SHIFT and the left mouse button.
    • To zoom in one all (original trace) press the right mouse button or ESC.
    • To zoom in the last step press F1.

  2. Poles ans Zeros can be changed in the window 'Poles (o) and Zeros([])'
    • Drag poles and zeros to a new position.
    • To move poles and zeros on circles press SHIFT and drag the mouse.
    • Conjugate complex pairs of poles and zeros are always handled together.