Yes that's what I was trying to say with the later part of my setence you quoted: Only coutable many real numbers can be given by name (like pi) or by an algor

Yes that's what I was trying to say with the later part of my setence you quoted: Only coutable many real numbers can be given by name (like pi) or by an algorithm. But there are still many more numbers left which you can not name/point to/give as example.