> I mean that using software outside from its own boundaries was the original hacker spirit then Excel is the ultimate hacker software... ;-) > Excel with VBA

> I mean that using software outside from its own boundaries was the original hacker spirit then Excel is the ultimate hacker software... ;-) > Excel with VBA isn't a proper environment for scientific computing But Excel has a user interface, documentation and help, how to solve various problems. Thus the end result is that lots of people were able to solve their practical problems. "Common Lisp", in its current popular form, lacks an accessible user interface and more recipes how to solve problems. It's an advanced experts tool. A better tool without a handle.