Posted by CalAbDiver on July 18, 2001 at 14:00:29:
In Reply to: oh yah almost forgot: NDLs w/o a dive computer posted by CalAbDiver on July 18, 2001 at 13:56:48:
you just have to keep a rolling average in your head. remember from euclidian geometry that the area of a triangle equals one-half of a square.
if you cant do the math in your head, then you are narked, and its time to egress.
nitrox uses EAD. EAD is a linear proportion.
this is not rocket science. it is just learning curve.
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