[Jprogramming] J v Python

[Boyko Bantchev]

On 8 December 2012 18:36, Bo Jacoby <bojacoby at yahoo.dk> wrote:
> Conventional algebraic notation is sometimes confusing. mc^2 means m*(c^2) , mass times light speed squared, while cm^2 means square centimeter, (c*m)^2, rather than centi squaremeter, c*(m^2). The J convention for omitting parentheses is better.

I am not sure that 'cm' or other unit designations have to do
with conventional or other algebraic notation, but if they do,
and if you draw parallels with J, what in J corresponds to 'cm'?

Also, what is 'the J convention for omitting parentheses' and how
is it 'better'?