Get your calculators out boys! The pythagorean formula is.... A squared plus B squared equals the hypotenuse squared. The distance you aim for is the square root of the downwards visual distance (at an angle) from the shooter squared minus the height of the stand squared . Hmmmm I think I will stick to ground blinds!!!! Conversely (that word just cost me 50 cents) if I have to hunt in a stand I do not put them up high (just like mitchmtm) when I use an arrow so that my aiming errors are not magnified. If we use stands they only go up 12 feet or so. Ok no more thinking for one whole day!