Description:  Returns the modulo of the arguments.  
Class:  Elemental function; Generic  
Arguments:  A  Must be of type integer or real.  
P  Must have the same type and kind parameters as A.  
Results:  The result type is the same as A. The
result value depends on the type of A, as follows:

Examples
MODULO (7, 3) has the value 1.
MODULO (9, 6) has the value 3.
MODULO (9, 6) has the value 3.