A step by step guide to creating your own gas blender program in Excel spreadsheet. This book will show you how to write a blender program in excel step by step with the values needed for every cell and function. No need to be a programmer, just type in the values from each step.The program will run on most devices that support spreadsheets, from computers, laptops, smart phones, palms, and I-phones. Calculations for Nitrox, Tri-mix, Helair, Heliox and EAD and END. Additional calculations for actual rebreather loop at depth and END included. The idea is to have a fully functional gas blending application right by the blending station or in the field on the go. There is added functionality to calculate gas cost for a blend and creating an invoice or quote for a customer. From a single blend to multiple blends. This book is a companion to ‘The Art of Gas Blending’ by Anton Swanepoel.If you want a mobile gas blending application that runs on excel, then This Book Is For YouClick the Buy Button Now