Gas Management Program (for Mac OS X)

Gas Management Program (GMP) is a seven-part tool that helps you to plan and evaluate your gas needs. With tools ranging from simple END and MOD calculators to an elaborate mixing section, GMP assists divers of every experience level in a wide range of scenarios. Do you need to know what mix you will get by combining the leftover gases from previous dives? GMP can help. Do you not have the time to do continuous blending calculations or using real gas laws in your head? GMP will do the math for you.
Divers and gas blenders already enjoy its user-friendliness on a daily basis around the world, and GMP is now even more capable, efficient and accurate through billions of test runs. GMP is now available for Mac OS X.
GMP costs $15 as a stand-alone application. GMP is now built-in to DecoPlanner 4, so you do not need to purchase both.

GMP has it's own troubleshooting/FAQ page available for additional support and information.

Attention: GMP (Gas Management Program) is a Java-based application. Before installing , you must have the (free) Java Runtime Environment installed on your system. Please use this link for guidelines on checking if you need to install or upgrade Java on your system.

When your purchase is complete your file will appear in your "My account" section (accessed from your personal menu on the right), under the "Files" tab.