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SCREENER ONLY
Screen("ScreenName", top)
Full Description

Users can use the Screen function to use the output of a screen as the input for another screen or ranking system. It is possible to use this with multiple screens, for instance, to create a screen of screens.

The general syntax is Screen("Screen Name",number of top results). If using multiple screens in a rule, linking screens by an "or" will return only unique results, while "and" will return only commonalities. Users can also use an exclamation point ahead of the function -- !Screen("Screen Name",x) -- to filter screen results.

For example, if the top two results of Screen1 are GOOG and YHOO and the top two results of Screen2 are GOOG and EBAY,then a rule that stated 'Screen("Screen1",2) or Screen("Screen2",2)' would return GOOG, YHOO, EBAY; while the rule 'Screen("Screen1",2) and Screen("Screen2",2)' would return only GOOG.

Finally, note that there is a limit of five calls to Screen in a single screen, ranking system or buy/sell system.