How to zoom the area you selected

Scales of axes, i.e. the relation of physical units to screen, is set in options dialog  <Plot><Options> on the page <Axie>.  Use the Scales window to change the scales of X and Y axes.

Sometimes it is interesting to view all area you selected. Follow these steps:

  1. Create an area 'Clip or 'Rect around points.
  2. Click the button Magnifying Glass.
  3. Left click  inside the area.
  4. The scales  of X and Y axes will be recalculated, so all area will be on page.

To restore the initial scales,  click the button Magnifying Glass next time.