@Override
        public boolean dispatchKeyEvent(KeyEvent e) {
            if (e.getID() == KeyEvent.KEY_RELEASED) {
                char key = e.getKeyChar();
                if (key >= 'a' && key <= 'z') key=(char) (key-32);
                if ((key >= '1' && key <= 'Z')){
                    KEYBORD.jButtonActionPerformed(key);
                } else if (key == KeyEvent.VK_ENTER){
                    KEYBORD.jButtonCRActionPerformed();
                }
            } 
            return false;
        }