We have grammar and spelling Nazis on this website. Do we really need the math and science Nazis, too? LOL!
Sorry - I’m a scientist. And since my grammar sucks and I can’t spell, I need to cling to something...
The reverse of “about” are the people who label containers. “1 pound or 453.59 g” as if the coffee in a jar is going to be measured to the nearest 0.01 grams. Or “We had 8 inches of snow or 20.3 cm.”