$ ADA/LIST ARRAY1
    1 	-- SAMPLE TO DEMONSTRATE SIMPLE ARRAYS   ( no use statements )
    2 	 
    3 	with TEXT_IO ;
    4 	
    5 	procedure ARRAY1 is
    6 	 
    7      -- dimension the array BALANCES with subscripts ranging form 1 to 20
    8      -- and having each element of the array be a floating point number
    9 	   BALANCES : array ( 1..20 ) of FLOAT := ( 1 .. 20 => 0.0 ) ;
   10 	 
   11 	     -- declare the variable OPEN_ACCOUNTS to be integer and initialized
   12 	     -- to zero. This will be the number of entries used in the array.
   13 	   OPEN_ACCOUNTS : INTEGER := 0 ;
   14 	 
   15 	   package INT_IO is new TEXT_IO.INTEGER_IO ( INTEGER ) ;
   16 	   package FLT_IO is new TEXT_IO.FLOAT_IO ( FLOAT ) ;
   17 	
   18 	begin
   19 	 
   20 	     -- zero out the array in execution
   21 	   for I in 1 .. 20 loop  -- better to use BALANCES'RANGE for 1..20
   22 	      BALANCES ( I ) := 0.0 ;
   23 	   end loop ;
   24 	 
   25 	     -- increment the array pointer and put in data
   26 	   OPEN_ACCOUNTS := OPEN_ACCOUNTS + 1 ;
   27 	   BALANCES ( OPEN_ACCOUNTS ) := 1.5 ;
   28 	 
   29 	     -- any integer expression can be used as a subscript
   30 	   BALANCES ( OPEN_ACCOUNTS + 1 ) := 0.732_175E6 ;
   31 	     -- note: floating point numbers can use scientific notation
   32 	     -- but be sure to use at least one digit before and after the point
   33 	 
   34 	  INT_IO.PUT ( OPEN_ACCOUNTS ) ;
   35 	  TEXT_IO.PUT_LINE ( " open accounts " ) ;

   36 	  FLT_IO.PUT ( BALANCES ( OPEN_ACCOUNTS ) ) ;
   37 	  TEXT_IO.PUT_LINE ( " is balance, no formatting " ) ;

   38     FLT_IO.PUT ( BALANCES ( OPEN_ACCOUNTS ), FORE=>5, AFT=>2, EXP=>0 ) ;
   39 	  TEXT_IO.PUT_LINE ( " is balance, named parameters " ) ;

   40 	  FLT_IO.PUT ( BALANCES ( OPEN_ACCOUNTS ) , 5 , 2 , 0 ) ;
   41 	  TEXT_IO.PUT_LINE ( " is balance, positional parameters " ) ;
   42 	
   43 	end ARRAY1 ;

$ ACS LINK ARRAY1
$ RUN ARRAY1

          1 open accounts 
 1.50000E+00 is balance, no formatting 
    1.50 is balance, named parameters 
    1.50 is balance, positional parameters