Create vectors for the x- and y-values in increments of your choice and export them using WRITETEXT, WRITEPRN, WRITECSV, WRITEEXCEL, ... whatever seems appropriate.
In Prime you don't need to divide by the desired unit - there is a placeholder in the plot where you can type in the unit
The forum has a problem with attachments at the time. So if you want to attach your Prime file, you will have to zip it and upload the archive.
BTW, its a good idea and also expected that threads are either closed or if the problem is not solved that you ask follow up questions (e.g. or this)
