my first plot uses N-values. I want to overlay a second plot that uses M-values for visual comparison. I cannot enter the 2nd plot using its scale as Plotting Function wants to use 1st scale.
From your short description I guess that you are not plotting functions but one vector over the other. The number of data entries in those vectors has nothing to do with scaling, so its unclear what kind of scaling you are talking about.
Should you need a second y-axis then you can't use Prime for your task as it does not support multiple y-axis. You can use Mathcad 15 or another plotting tool to do the job.
To make your question easier to understand its best to add an example worksheet and state clearly what you are looking for.
