You were right pstudio...I had to change the code:

Code:
namespace pgd_test;

interface 


type 
  ConsoleApp = class 
  public 
    class method Main(args: array of String);
  end; 


implementation


class method ConsoleApp.Main(args: array of String);
const  
  cols = 78; 
  lines = 30; 
  chars = " .,:;=|iI+hHOE#$-"; 
  maxIter = length(chars); 
begin 
  var minRe := -2.0; 
  var maxRe := 1.0; 
  var minIm := -1.0; 
  var maxIm := 1.0; 
  var im := minIm; 
  while im <= maxIm do 
  begin
    var re := minRe; 
    while re <= maxRe do
    begin
      var zr := re; 
      var zi := im; 
      var n: Integer := -1; 
      while n < maxIter-1 do 
      begin
        inc(n); 
        var a := zr * zr;  
        var b := zi * zi; 
        if a + b > 4.0 then 
          Break; 
        zi := 2 * zr * zi + im; 
        zr := a - b + re; 
      end; 
      System.out.print(chars.charAt(n)); 
      re := re + ((maxRe - minRe) / cols); 
    end; 
    System.out.println; 
    im := im + ((maxIm - minIm) / lines) 
  end; 
  //Press ENTER to continue 
  //system.out.println("Press ENTER to exit"); 
  System.in.read(); 
end; 


end.