Dive planner for recreational diving (plus some extras for technical divers). 

Main Features:
✓ Metric & Imperial units.
✓ Choose between PADI or SSI Air dive tables for calculations.
✓ Digital dive tables.
✓ Dive parameters - Enter dive depth, underwater time, surface interval time, Altitude and breathing gas mix (for Nitrox mix, EAD is calculated. for Altitude TOD is calculated) and then applied to Air tables. (EANx21 - EANx40)  - EANx40 is max used in recreational diving.
✓ Calculates end pressure group, pressure group after interval time, partial pressures (ppO2,ppN2), CNS and OTU.
✓ Min. surface interval calculator.
✓ Share dive plans by with a friend.
✓ Save your dive plans for future use.
✓ Nitrox/Trimix gas composition calculator (depending on depth, ppO2 & ppN2).
✓ NDL (No Decompression Limit) calculator - calculated using the Buehlmann ZH-L16B algorithm without any added safety precautions that are usually added in dive tables.
✓ MOD (Maximum Operating Depth) calculator.
✓ TOD (Theoretical Ocean Depth) calculator  - used for diving at altitudes above sea level.
✓ EAD (Equivalent Air Depth) calculator - used when diving with Nitrox.
✓ END (Equivalent narcotic depth) calculator - used by technical divers.
✓ Gas blender calculator  - Computes the required pressures required to blend Nitrox/Trimix (tank composition) for SCUBA diving applications.
✓ Belt weight calculator.

PRO Features ONLY: 
✓ No Ads.
✓ Backup/restore your saved plans with your Google Drive account.
✓ Surface air consumption & air for dive calculators.
✓ Equipment checklist (many items are already in the list, you can add/remove whichever item you want).
✓ Change theme color of app.

Check out the free version at: https://play.google.com/store/apps/details?id=com.davidnac.diveplanner&hl=en

Note: The app has been tested multiple times, but there may still be bugs in the software, never rely only this app for your dive planning! and if you find a bug, or have any other feedback, PLEASE let me know, so i can fix it.

Full featured Dive planner! - NO DECOMPRESSION DIVES ONLY!