The range delivers the span/difference between the high and low in ticks for each bar. The range is always greater than or equal to 0.
Range(IDataSeries inSeries)[int barsAgo]
When using this method with an index (e.g. Range()[int barsAgo] ), the range value for the referenced bar will be outputted.
inSeries Input data series for the indicator
//Output for the value of the range
Print("The current bar has a range of: " + Range());
Print("The current bar has a range of: " + High - Low);