Changing 31.1% to 32% for the sake of MOD may calculate a more conservative MOD, but won't it also calculate a less conservative NDL? The computer thinks you have 32% N2 and therefore calculates NDL based on that rather than 31% N2. Given the choice, I'd rather my computer calculate my NDL for me rather than my MOD. I can build in my own conservatism by using 111' as my MOD rather than 116' if I want to.
Mathematically, 30.5-31.4 rounds to 31 and 31.5-32.4 rounds to 32.
Mathematically, 30.5-31.4 rounds to 31 and 31.5-32.4 rounds to 32.