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7.1.37 RANGE
The RANGE function returns a value that is equal to the value of the maximum argument minus the value of the minimum argument.
The function type depends on the argument types, as follows: 



   Argument Type                           Function Type
   All arguments integer                   Integer
   Numeric (some arguments can be          Numeric
   integer)






    ___ Format _____________________________________________________________ 
   |                                                                        |
   |                        <____________                                   |
   | >>__FUNCTION RANGE__(____argument-1_|__)____________________________>< |
   |                                                                        |
   |________________________________________________________________________|
argument-1
Must be class numeric.
The returned value is equal to argument-1 with the greatest value minus the argument-1 with the least value. The comparisons used to determine the greatest and least values are made according to the rules for simple conditions. For more information, see "Conditional Expressions" in topic 6.1.6.

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