Last but not least is a DMX calculator
I know what your thinking, “I am a film lighting guy, DMX is for stage lighting” while I guarantee you, sooner or later, you will deal with a lighting board, and fixtures with those little DMX dip switches. When you do, you will be scrambling to figure out how to address them. Or you could just get the DMX Dip app, and be ready. Trust me, you will save the day.
One of the great things about smartphones is they allow you to have a computer in your pocket. Apps available on the app store can augment that computer to give you information that will help your production run smoothly