Posted by AADIVER on January 15, 2001 at 23:43:20:
In Reply to: Of Sextants and GPS's posted by Wayne on January 15, 2001 at 23:09:06:
You write:
"Can I recalculate multilevel dives while underwater? Yes"
Wouldn't you have to keep a constant running mental record of exact times and depths in order to do that? If you can do that, which the majority of us diving Luddites can't, why go to the expense of a computer?