The Nitrox Helper app is a quick and easy Nitrox calculator for qualified Enriched Air Nitrox (EAN) divers to calculate the Best Mix, Maximum Operating Depth (MOD), Equivalent Air Depth (EAD), and Oxygen Partial Pressure (PPO).
The Calendar Counter app is a quick and easy way to make a follow-up or future appointment on your iPhone calendar by adding years, months, weeks or days to the current date.