This is a simple machine to use. Just two buttons to press, the power button /zero button and the measurement button. This gives you the option to measure the weight (gms or lbs) and the liquid in terms of milk and water (ml or fl.oz) The instructions on how to use are quite straightforward and doesn't cause any confusion. Really find this device handy for cooking and baking purposes, especially when recipes are involved! Good to use when you're dieting as well!