... and if this doesn't work, then you might as well forget it.   JAFrEx To start JAFrEx, press the Go button. When it has finished, you can click on the display to choose a zoom area. Click again to choose another area if the first is unsatisfactory. Pressing Go will generate a new fractal of the selected area. At any point during fractal generation you can stop it by pressing the Stop button. During generation, the Go button can be used as a Pause/Continue button. It will change appearance to reflect its operation. Pressing Stop while stopped will reset JAFrex.