Quote Originally Posted by smieglitz View Post

I keep a two-column table of these numbers on the wall next to the enlarger for quick reference. The first column is the exposure addition needed and the second column is the resultant cumulative exposure. That makes it extremely easy to generate or interpret a sequence of test exposures.
I have a similar table on a card that I stand up near my enlarger. Mine is in 1/2 stop intervals though.