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Double-click on the bottom X axis to open the X Axis dialog. On the Title & Format tab, select the Top Selection and then check the \

checkbox. Repeat these steps on the Tick Labels tab. Your graph should now display both the top and bottom X axes with tick labels. (You can also do this with script: layer.x.showaxes=3; layer.x.showLabels=3; )¡£

To display X2 as 1240/X, run the following script, from the Script Window, opened by selecting Window:Script Window:

layer.x2.label.formula$ = \

This then places labels on the top X axis, at same positions corresponding to labels in bottom X axis, and these new labels are values that are computed using the specified formula.

NOTE 1: You may have to double-click on the Top X axis tick labels to open the Axes dialog. On the Tick Labels tab, check the 'Set Decimal Places' checkbox, and enter in 2 (or some number) for the number of decimal places.

NOTE 2: The formula can be any string that is a function of x, which is calculable using LabTalk.

NOTE 3: Similar to the top X axis in this example, you can turn on right Y axis and set labels of that too. But note that the command should be:

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