Quote Originally Posted by performance View Post
They used to say they wrote on a 6th grade, level, though I expect today it would be considered a 8th or 9th grade level. You have to pick a point where certain assumptions of understanding will be.
Still the same at 6th grade. I do some work for Shipyards and the usual intent if we claim something is "self explanatory" is that is has to be 6th grade level.