Diving Buddy is an app for divers of all skill levels. It contains advanced calculators along with useful reference material that will be useful for any pre-dive check. This is the lite version of Diving Buddy. All the references and guides are available, and some of the calculators - the other calculators are available as In-App Purchases. CALCULATORS: - Calculate how long you can dive for - Calculate oxygen toxicity levels when diving with nitrox - Maximum Operating Depth based on nitrox and partial pressure of oxygen. - Calculate the MINIMUM gas required to make your ascent safely - Calculate how much weight you need to add or take off based on the suit you are wearing and the water you are diving in - Calculate the weight of air in a cylinder - Calculate how much air will be in two cylinders after they have been balanced - Calculate how many calories you are burning when you are diving REFERENCE MATERIAL: - Diving safely - Leading a dive - Diving before or after flying (altitude differences) - Beaufort scale quick-guide DIVING BUDDY is an intricate app made by master divers with decades of experience. OTHER FEATURES: - UNIT CONVERSIONS - Favourite calculations - Recent calculations