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Ok. I didnt use it at 2k and worked out ok. other apps/solutions also do it. Doesn't mean you need it.

I'v stretched things. still didnt use aero jump or coriolis

If you really want to do your head in start looking at spin drift, aerodynamic jump and coriolis!
Why bother? Its hunting distances. If you miss due to aero jump or coriolis you need to think of...

Use my watch for air pres(station pres) guess temp within 10 deg is close enough(but most people can guess within 5deg.) if you have correct air pres. and set humidity to 50%.