Hi,
The link doesn't work because your browser doesn't support Flash. And since no Flash plugin or no Flash itself is installed the content cannot be displayed. However, this is not an indicator and so I don't think the video would be useful in this context.
The fundamental items should be defined in your code as
FundamentalDataSeries. Check this entry in the QuickRef (F11 key) and you'll learn by code example. Now that you've got two DataSeries your next step is to see how math operations on DataSeries work by reading the howto in the WealthScript Programming Guide > DataSeries > Series Operators:
"How to: Multiply, Divide, Add, or Subtract a DataSeries by another".
You should come up with something like this:
CODE:
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