Useful and comprehensive toolkit for scuba gas blender. - partial pressure blending of trimix, nitrox, heliox - continuous blending of trimix, nitrox, heliox - ideal and real gas model (van der Waals) - costs calculation - top off from storage and more The program is an completely rewritten successor to DIR-Wetnotes Application. Optimized for better user experience on the larger devices such as Tablet or desktop.