However, Excel lacks commands for creating a third secondary axis. One workaround for this shortcoming is to swap the X and Y axes of several pseudo data series to yield a chart with multiple Y axes.

Adding a Second Y-Axis Your new series may not be measured with the same range of numbers as the old one. To make the chart look better, you can plot the new series on a differently scaled y-axis.

I am getting rather pissed off at Excel. I keep trying to make a Bode plot with the X-axis being 5 Cycle semi-log (just a log10 axis would be alright too) and the Y-axis linear. I cannot find an ...