[Python-3000] PEP 31XX: A Type Hierarchy for Numbers (and other algebraic entities)

[Christian Heimes]

Josiah Carlson wrote:
> I really do understand wanting to be able to ask "is operation X
> supported for values Y and Z", but is this really necessary for numbers?

It's not required for ordinary people who deal with ints and floats. 
Python is pushing into the scientific market. The math guys need it when 
they have to deal with vectors, matrix operation and other advanced 
stuff. I'm seeing the proposal as an important step to make Python a 
professional tool for scientific research.