I think most people would agree that 'a:f g h x' is easier to read than 'x h g f:a'. This may be an artifact from familiarity from math or something else, but I

I think most people would agree that 'a:f g h x' is easier to read than 'x h g f:a'. This may be an artifact from familiarity from math or something else, but I think the point still stands. I've personally never found RPN languages easy to read.