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This provides a simple graphical tool for scuba divers calculating maximum operating depth. It provides both iphone and Apple Watch versions.

It's important to remember that while scuba diving, it is always recommended to double check your calculations with reference to the relevant diver tables. While this app may prove useful, it's no substitute for using your own brain and being fully aware of the dangers of scuba diving.

Enjoy !
Jason Klug-Horsnell