From: markus.humm1@freenet.de   
      
   1. I'd use write/writeln, so you see something on the screen.   
      
   2. you might want to use readkey or readln to get user input   
      
   => that are already some procedures and functions, you need uses crt for   
   some of them.   
      
   3. you can write your own procedures and functions, if you like.   
      
   Greetings   
      
   Markus   
      
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