This tutorial shows the required steps to import XY data from text file.
Open menu item
<Data><Add from file>
and select text file.
The Wizard 'Add points series' appears.
On step 1 select X an Y columns to read.
On step 2 to add all data points, click
Fit to data
.
On step 3 to set new XY ranges, click
Fit to data
.
On step 4 click
Add serie
.
New series appears. Close the dialog.
To edit, select data series on left panel [Points] and double click.