Subsurface is able to track single- and multi-tank dives using air, Nitrox or
TriMix. It also allows logging of weights and exposure protection used, dive
masters and dive buddies and enables the user to rate dives and provide
additional dive notes.
With Subsurface the user can track dive locations including GPS coordinates
(which can also conveniently be entered using a map interface). Subsurface
calculates a wide variety of statistics of the user's diving and calculates and
tracks information like the user's SAC rate, partial pressures of O2, N2 and He,
calculated deco information, and many more.
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